List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (F–K)
# List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (F–K)

This is a list of Royal Observer Corps (ROC) nuclear monitoring posts incorporated into the United Kingdom Warning and Monitoring Organisation (UKWMO).

* List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (A–E)
* List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (F–K)
* List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (L–P)
* List of Royal Observer Corps / United Kingdom Warning and Monitoring Organisation Posts (Q–Z)

Notes:-

* 1. Many of these underground bunkers still exist under private ownership, permission of the owner is paramount before attempting to locate them.
* 2. With a few exceptions the surviving bunkers are in varying states of dereliction and are unsafe.
* 3. Counties listed are contemporary which may differ from present counties.

data from:-

List :

| Post Location | County | Ordnance Survey National Grid reference | 1st Opening | 1st Closing | 2nd Opening | 2nd Closing |
| - | - | - | - | - | - | - |
| ROC Post Faddiley | Cheshire | SJ58735313 | 01/04/59 | 01/10/68 | | |
| ROC Post Fairlight | Sussex | TQ86141121 | 01/12/60 | 01/09/91 | | |
| ROC Post Fakenham (Fakenham | Norfolk | TF95622927 | 01/12/58 | 01/10/68 | | |
| ROC Post Falkland | Fife | NO25850753 | 01/04/63 | 01/10/68 | | |
| ROC Post Farnham | Surrey | SU83724942 | 01/05/57 | 01/09/91 | | |
| ROC Post Farningham | Kent | TQ53356700 | 01/05/63 | 01/10/68 | | |
| ROC Post Farnsfield | Nottinghamshire | SK63565848 | 01/09/61 | 01/09/91 | | |
| ROC Post Farway Common | Devon | SY172987 | 01/07/59 | 01/10/68 | | |
| ROC Post Fearn | Ross & Cromarty | NH86427602 | 01/08/59 | 01/09/91 | | |
| ROC Post Felixstowe | Suffolk | TM29313311 | 01/06/62 | 01/10/68 | | |
| ROC Post Fenham Hill | Northumberland | NU07594288 | 1 January 1964 | 01/10/68 | | |
| ROC Post Feniton | Devon | ST104404 | 01/06/59 | 01/10/68 | | |
| ROC Post Fern | Angus | NO48446212 | 01/04/60 | 01/10/58 | | |
| ROC Post Fernhurst | Sussex | SU89982837 | 01/09/59 | 01/09/91 | | |
| ROC Post Feughside | Kincardineshire | NO64219202 | 01/02/59 | 01/09/91 | | |
| ROC Post Fforest Fach | Glamorganshire | SS618942 | 01/10/62 | 01/10/68 | | |
| ROC Post Finchingfield | Essex | TL69563273 | 01/11/61 | After 1976 | | |
| ROC Post Findhorn | Morayshire | NJ03856482 | 01/02/59 | 01/09/91 | | |
| ROC Post Fishguard | Pembrokeshire | SM95373585 | 01/07/63 | 01/10/68 | | |
| ROC Post Five Barrows | Devon | SS73253681 (probable) | 01/09/59 | 01/10/68 | | |
| ROC Post Fivemiletown | Tyrone | IH40914768 | 01/08/57 | 01/10/68 | | |
| ROC Post Flamborough | Yorkshire | TA24437059 | 01/09/60 | 01/10/68 | | |
| ROC Post Fleckney | Leicestershire | SP63739306 | 01/10/60 | 01/09/91 | | |
| ROC Post Fleetwood | Lancashire | SD32584823 | 01/06/65 | 01/09/91 | | |
| ROC Post Fleggburgh Fleggburgh | Norfolk | TG45891129 | 01/03/62 | 01/09/91 | | |
| ROC Post Flookburgh Master Post | Lancashire | SD36787519 | 01/06/65 | 01/09/91 | | |
| ROC Post Folkestone -1 | Kent | TR24103661 | 1961 | 1960s | | |
| ROC Post Folkestone -2 Master Post | Kent | TR20533826 | 1960s | 01/09/91 | | |
| ROC Post Fontmell Magna | Dorsetshire | ST86381811 | 01/02/1962 | 01/09/91 | | |
| ROC Post Fordham | Cambridgeshire | TL60117738 | 01/04/1961 | 01/09/91 | | |
| ROC Post Fordingbridge Master Post | Hampshire | SU16731415 | 1 January 1962 | 01/09/91 | | |
| ROC Post Forfar | Angus | NO459491 | 01/04/63 | 01/10/58 | | |
| ROC Post Formby | Lancashire | SD27740553 | 01/07/62 | ca1966 to 1968 | | |
| ROC Post Fort Augustus | Inverness-shire | NH37410804 | 01/09/62 | 01/09/91 | | |
| ROC Post Fort William Master Post | Inverness-shire | NN10977563 | 01/09/60 | 01/09/91 | | |
| ROC Post Forth Master Post | Lanarkshire | NS93345532 | 01/10/59 | 01/09/91 | | |
| ROC Post Forton | Lancashire | SD49635040 | 01/06/65 | 01/09/91 | | |
| ROC Post Fortrose | Ross & Cromarty | NH74665577 | 01/05/61 | 01/09/91 | | |
| ROC Post Fosdyke | Lincolnshire | TF30533488 | 01/10/64 | 01/10/68 | | |
| ROC Post Foulness (L2) | Essex | TR00459293 | 01/06/60 | 01/10/68 | 1 January 1971 | 01/09/91 |
| ROC Post Fownhope | Herefordshire | SO59223402 | 01/11/61 | 01/10/68 | | |
| ROC Post Framfield | Sussex | TQ50982037 | 01/03/60 | 01/10/68 | | |
| ROC Post Framingham Earl Framingham Earl | Norfolk | TG25030242 | 01/06/60 | 01/10/68 | | |
| ROC Post Frankley | Worcestershire | SP00242792 | 01/08/60 | 01/09/91 | | |
| ROC Post Frant | Sussex | TQ59073577 | 01/10/61 | 01/09/91 | | |
| ROC Post Freethorpe Freethorpe | Norfolk | TG41360544 | 01/12/59 | 01/10/68 | | |
| ROC Post Freshwater Master Post | Hampshire | SZ35278575 | 1 January 1959 | 01/09/91 | | |
| ROC Post Friockheim | Angus | NO610495 | 1 January 1962 | 01/10/58 | | |
| ROC Post Friskney | Lincolnshire | TF49425424 | 1 January 1965 | 01/10/68 | | |
| ROC Post Frome | Somerset | ST76424854 | 01/05/62 | 01/09/91 | | |
| ROC Post Froxfield Green Master Post | Hampshire | SU72762580 | 01/04/59 | 01/09/91 | | |
| ROC Post Fulford Site 1 | Yorkshire | SE61144811 | 01/10/61 | 01/12/73 | | |
| ROC Post Fulford Site 2 | Yorkshire | SE61784980 | 01/12/73 | 01/09/91 | | |
| ROC Post Fulstow | Lincolnshire | TF340971 | 01/03/61 | 01/09/91 | | |
| ROC Post Fyvie | Aberdeenshire | NJ77243785 | 01/06/59 | 01/09/91 | | |
| ROC Post Gainsborough | Lincolnshire | SK82068913 | 01/12/61 | 01/10/68 | | |
| ROC Post Gairloch | Ross & Cromarty | NG79747795 | 01/12/64 | 01/09/91 | | |
| ROC Post Galashiels | Selkirkshire | NT50243666 | 01/11/59 | 01/10/68 | | |
| ROC Post Gara Bridge | Devon | SX76255325 | 1960 | 01/10/68 | | |
| ROC Post Garboldisham Garboldisham | Norfolk | TM01488160 | 01/08/61 | 01/09/91 | | |
| ROC Post Gardenstown | Banffshire | NJ80376447 | 01/04/60 | 01/10/68 | | |
| ROC Post Garelochhead | Dunbartonshire | NS23669270 | 01/06/59 | 01/10/68 | | |
| ROC Post Gargrave | Yorkshire | SD937529 | 01/05/62 | 01/09/91 | | |
| ROC Post Garlieston | Wigtownshire | NX46544665 | 1 January 1963 | Before 1987 | | |
| ROC Post Garvald | East Lothian | NT57907038 | 01/05/63 | 01/09/91 | | |
| ROC Post Garve | Ross & Cromarty | NH39226276 | 01/10/65 | 01/09/91 | | |
| ROC Post Gatehouse of Fleet | Kirkcudbrightshire | NX60815634 | 01/08/59 | 01/10/68 | | |
| ROC Post Gauldry | Fife | NO36412392 | 01/02/58 | 01/10/68 | | |
| ROC Post Gilberdyke | Yorkshire | SE83822755 | 01/12/58 | 01/09/91 | | |
| ROC Post Gilbertfield | Lanarkshire | NS65385806 | 01/03/66 | 01/09/91 | | |
| ROC Post Gilsland | Northumberland | NY63926597 | 01/10/61 | 01/09/91 | | |
| ROC Post Girvan | Ayrshire | NX18969496 | 01/09/65 | 01/09/91 | | |
| ROC Post Glamis | Angus | NO37114704 | 01/04/60 | 01/09/91 | | |
| ROC Post Glasgow | Lanarkshire | NS53176539 | 01/08/60 | 01/09/91 | | |
| ROC Post Glastonbury | Somerset | ST49213815 | 01/09/59 | 01/10/68 | | |
| ROC Post Glenarm | Antrim | ID33231375 | 1 January 1961 | 01/10/68 | | |
| ROC Post Glenbarr | Argyllshire | NR67123711 | 01/12/60 | 01/10/68 | | |
| ROC Post Glenferness | Nairn | NH96364467 | 01/06/61 | 01/09/91 | | |
| ROC Post Glenfinnan | Inverness-shire | NM900805 | 01/03/63 | 01/09/91 | | |
| ROC Post Glenisla | Angus | NO221605 | 01/12/57 | 01/10/68 | | |
| ROC Post Glossop | Derbyshire | SK04409459 | 01/06/65 | 01/09/91 | | |
| ROC Post Gnosall | Staffordshire | SJ84152107 | 01/10/58 | 01/09/91 | | |
| ROC Post Goathland | Yorkshire | NZ83920136 | 01/05/63 | 01/09/91 | | |
| ROC Post Goldthorpe | Yorkshire | SE45240437 | 01/05/61 | 01/10/68 | | |
| ROC Post Good Easter | Essex | TL62901170 | 01/10/59 | 01/10/68 | 1975 | 01/09/91 |
| ROC Post Gordon Master Post | Berwickshire | NT68804363 | 01/05/63 | 01/09/91 | | |
| ROC Post Gorebridge | Mid Lothian | NT377583 | 01/12/59 | 01/10/68 | | |
| ROC Post Gorthleck | Inverness-shire | NH489155 | 1963 | 01/09/91 | | |
| ROC Post Gourock | Renfrewshire | NS23827713 | 01/05/60 | 01/09/91 | | |
| ROC Post Grange | Banffshire | NJ52125275 | 01/06/60 | 01/09/91 | | |
| ROC Post Grantham | Lincolnshire | SK90193299 | 01/08/58 | 01/09/91 | | |
| ROC Post Grantown-on-Spey | Morayshire | NJ03902821 | 01/11/62 | 01/09/91 | | |
| ROC Post Grantshouse | Berwickshire | NT816649 | 01/05/61 | 01/10/68 | | |
| ROC Post Grasmere | Westmorland | NY33161075 | 01/12/64 | 01/09/91 | | |
| ROC Post Grassington | Yorkshire | SD99406367 | 01/06/62 | 01/09/91 | | |
| ROC Post Grateley | Hampshire | SU26834083 | 01/06/61 | 01/09/91 | | |
| ROC Post Great Ayton | Yorkshire | NZ54351215 | 01/11/65 | 01/09/91 | | |
| ROC Post Great Baddow | Essex | TL74020552 | 01/11/61 | 01/10/68 | | |
| ROC Post Great Bedwyn | Wiltshire | SU28286528 | 01/08/61 | 01/09/91 | | |
| ROC Post Great Bolas | Shropshire | SJ63002105 | 01/05/65 | 01/09/91 | | |
| ROC Post Great Crosby | Lancashire | SD29970067 | 1960 | 01/10/68 | | |
| ROC Post Great Dunmow | Essex | TL64532445 | 1 January 1959 | 01/09/91 | | |
| ROC Post Great Hockham | Norfolk | TL95609300 | 01/08/59 | 01/10/68 | | |
| ROC Post Great Missenden | Buckinghamshire | SP92350212 | 01/12/61 | 01/09/91 | | |
| ROC Post Great Offley Master Post | Hertfordshire | TL13582711 | 01/07/59 | 01/09/91 | | |
| ROC Post Great Shefford | Berkshire | SU37617392 | 01/07/60 | 01/10/68 | | |
| ROC Post Great Torrington | Devon | SS53062405 | 1960 | 1991 | | |
| ROC Post Great Wakering | Essex | TQ95568843 | 01/09/61 | 01/10/68 | | |
| ROC Post Great Whittington | Northumberland | NZ00817144 | 01/06/62 | 01/09/91 | | |
| ROC Post Greenfield | Berwickshire | NT94775839 | 01/02/60 | 01/09/91 | | |
| ROC Post Greenhithe | Kent | TQ60837340 | 01/12/65 | 1989 | | |
| ROC Post Greenhow Hill | Yorkshire | SE124638 | 01/06/62 | 01/10/68 | | |
| ROC Post Greg Ness | Kincardineshire | NJ95270261 | 01/09/60 | 01/10/68 | | |
| ROC Post Gressenhall Gressenhall | Norfolk | TF95521878 | 01/09/59 | 01/09/91 | | |
| ROC Post Greystoke | Cumberland | NY44713097 | 01/11/60 | 01/10/68 | | |
| ROC Post Groomsport Master Post | Down | IJ52788364 | 01/05/61 | 01/09/91 | | |
| ROC Post Grundisburgh | Suffolk | TM23065137 | 01/04/60 | 01/10/68 | | |
| ROC Post Guiseley | Yorkshire | SE20064424 | 01/07/58 | 01/09/91 | | |
| ROC Post Guist | Norfolk | TG00452730 | 01/12/58 | 01/10/68 | | |
| ROC Post Hackthorn | Lincolnshire | SK99687894 | Unknown | 01/09/91 | | |
| ROC Post Hadleigh | Suffolk | TM035425 | 01/04/61 | 01/09/91 | | |
| ROC Post Hailey | Oxfordshire | SP34781297 | 01/06/59 | 01/09/91 | | |
| ROC Post Halesworth | Suffolk | TM40117883 | 01/09/60 | 01/10/68 | | |
| ROC Post Halkirk | Caithness | ND13255770 | 01/06/61 | 01/10/68 | | |
| ROC Post Hallen | Gloucestershire | ST55208004 | 01/09/60 | 01/09/91 | | |
| ROC Post Hambledon | Hampshire | SU64971472 | 01/04/59 | 01/09/91 | | |
| ROC Post Hamstreet | Kent | TR00683331 | 01/11/61 | 01/09/91 | | |
| ROC Post Sixpenny Handley | Dorsetshire | ST99591749 | 01/10/60 | 01/10/68 | | |
| ROC Post Harbottle | Northumberland | NT93640575 | 01/12/60 | 01/09/91 | | |
| ROC Post Harbury | Warwickshire | SP36005968 | 01/10/60 | 01/10/68 | | |
| ROC Post Harby | Leicestershire | SK74553065 | 01/02/60 | 01/09/91 | | |
| ROC Post Harewood | Yorkshire | SE32734525 | 01/05/58 | 01/10/68 | | |
| ROC Post Harewood End | Herefordshire | SO52842738 | 01/07/61 | 01/09/91 | | |
| ROC Post Harlaston | Staffordshire | SK19640978 | 1961 | 01/09/91 | | |
| ROC Post Harleston Harleston | Norfolk | TM25628262 | 01/03/58 | 01/10/68 | | |
| ROC Post Harold Wood | Essex | TQ52489269 | 01/10/60 | 01/10/68 | | |
| ROC Post Harris | Ross & Cromarty | NB15440017 | Unknown | 01/09/91 | | |
| ROC Post Harston | Cambridgeshire | TL43224998 | Unknown | 01/10/68 | | |
| ROC Post Hartburn | Northumberland | NZ09858557 | 01/08/60 | 01/09/91 | | |
| ROC Post Hartest | Suffolk | TL83955224 | 1 January 1960 | 01/10/68 | | |
| ROC Post Hartfield | Sussex | TQ47883451 | 01/05/60 | 01/10/68 | | |
| ROC Post Hart Heugh | Northumberland | NT98542526 | 01/02/64 | 01/09/91 | | |
| ROC Post Hartington | Derbyshire | SK12945995 | 1 January 1958 | 01/09/91 | | |
| ROC Post Hartlepool | Durham | NZ48533368 | 01/05/62 | 01/09/91 | | |
| ROC Post Haseley Knob | Warwickshire | SP25887105 | 01/11/64 | 01/09/91 | | |
| ROC Post Hastings Hill | Durham | NZ35295442 | 01/06/59 | ca1975 | | |
| ROC Post Hatch Beauchamp | Somerset | ST31192175 | 01/10/62 | 01/10/68 | | |
| ROC Post Hatfield Broad Oak | Essex | TL54271568 | 01/02/60 | 01/10/68 | | |
| ROC Post Hatfield Peverel | Essex | TL80121253 | 01/07/59 | 01/10/68 | | |
| ROC Post Hatherleigh | Devon | SS54410712 | 01/11/61 | 01/10/68 | | |
| ROC Post Havant | Hampshire | SU68540649 | 1 January 1968 | 01/09/91 | | |
| ROC Post Haverfordwest | Pembrokeshire | SN01361554 | 01/07/62 | 01/09/91 | | |
| ROC Post Haverhill | Suffolk | TL67644619 | 01/09/59 | 01/10/68 | | |
| ROC Post Hawes | Yorkshire | SD86858973 | 01/05/63 | 01/09/91 | | |
| ROC Post Hawkshead | Lancashire | SD35169793 | 01/10/65 | 01/09/91 | | |
| ROC Post Hay-on-Wye | Breconshire | SO22444321 | 01/04/59 | 01/09/91 | | |
| ROC Post Haydon Bridge | Northumberland | NY83886598 | 1 January 1961 | 01/09/91 | | |
| ROC Post Hayling Island | Hampshire | SU73280059 | 1 January 1964 | 01/10/68 | | |
| ROC Post Headcorn | Kent | TQ82964461 | 01/11/61 | 01/10/68 | | |
| ROC Post Headley | Surrey | TQ20475402 | 01/04/66 | 01/10/68 | | |
| ROC Post Heckington | Lincolnshire | TF18534534 | 01/02/63 | 01/10/68 | | |
| ROC Post Heckmondwike | Yorkshire | SE21362522 | 01/10/59 | 01/09/91 | | |
| ROC Post Hellesdon | Norfolk | TG20111119 | 01/12/59 | 01/09/91 | | |
| ROC Post Helmsley | Yorkshire | SE57428131 | 01/05/58 | 01/10/68 | | |
| ROC Post Helsby Master Post | Cheshire | SJ49247544 | 01/10/62 | 01/09/91 | | |
| ROC Post Helston | Cornwall | SW64862727 | 01/04/58 | 01/09/91 | | |
| ROC Post Henfield | Sussex | TQ22291624 | 01/07/64 | 01/10/68 | | |
| ROC Post Henham | Essex | TL54812811 | 01/11/61 | 01/09/91 | | |
| ROC Post Henley-in-Arden | Warwickshire | SP15486607 | 1960 | 01/10/68 | | |
| ROC Post Herne Bay Master Post | Kent | TR17136498 | 01/09/65 | 01/10/68 | 1976 | 01/09/91 |
| ROC Post Herriard | Hampshire | SU67254454 | 01/03/59 | 01/09/91 | | |
| ROC Post Herstmonceux | Sussex | TQ61961183 | 1 January 1962 | 01/10/68 | | |
| ROC Post Hertford | Hertfordshire | TL29321459 | 1 January 1961 | 01/09/91 | | |
| ROC Post Heysham | Lancashire | SD40896013 | 01/11/61 | 01/09/91 | | |
| ROC Post Bentham | Yorkshire | SD68816927 | 01/06/65 | 01/09/91 | | |
| ROC Post High Bickington | Devon | SS603203 | 01/04/61 | 01/10/68 | | |
| ROC Post Highworth | Wiltshire | SU19429237 | 01/09/59 | 01/10/68 | | |
| ROC Post Hill | Gloucestershire | ST643953 | 01/12/62 | 01/10/68 | | |
| ROC Post Hill Head | Hampshire | SU52730283 | 01/08/61 | 01/10/68 | | |
| ROC Post Hillsborough Master Post | Down | IJ23645570 | Unknown | Unknown | by 1982 | 01/09/91 |
| ROC Post Hinderwell | Yorkshire | NZ79311781 | 01/06/60 | 01/09/91 | | |
| ROC Post Hingham Hingham | Norfolk | TG03840193 | 01/12/57 | 01/10/68 | | |
| ROC Post Hirwaun | Glamorganshire | SN95110609 | 01/10/59 | 01/10/68 | | |
| ROC Post Hoar Cross | Staffordshire | SK14402312 | 01/06/59 | 01/10/68 | | |
| ROC Post Hog's Back | Surrey | SU975486 | 01/08/57 | 01/10/68 | | |
| ROC Post Holbeach | Lincolnshire | TF36452635 | 01/10/64 | 01/09/91 | | |
| ROC Post Holbeton | Devon | SX60354883 | 01/08/63 | 01/10/68 | | |
| ROC Post Holford | Somerset | ST16194286 | 01/06/62 | 01/09/91 | | |
| ROC Post Holme-on-Spalding-Moor | Yorkshire | SE82213868 | 01/05/60 | 01/09/91 | | |
| ROC Post Holmfirth | Yorkshire | SE15660429 | 1 January 1964 | 01/09/91 | | |
| ROC Post Holmwood | Surrey | TQ17204550 | 1 January 1960 | 01/09/91 | | |
| ROC Post Holsworthy | Devon | SS34990386 | 01/06/60 | 01/09/91 | | |
| ROC Post Holywell | Flintshire | SJ18537504 | 01/04/64 | 01/09/91 | | |
| ROC Post Holywood | Down | IJ41487764 | 01/06/61 | 01/10/68 | | |
| ROC Post Honingham | Norfolk | TG09231020 | 01/03/62 | 01/09/91 | | |
| ROC Post Honington, Lincs | Lincolnshire | SK92744502 | 01/04/65 | 01/10/68 | | |
| ROC Post Honington, Suffolk | Suffolk | TL947729 | 01/06/61 | 01/10/68 | | |
| ROC Post Hoo Master Post | Kent | TQ77837344 | 01/10/60 | 01/09/91 | | |
| ROC Post Hope | Derbyshire | SK13997964 | 01/12/62 | 01/10/68 | | |
| ROC Post Hopton | Suffolk | TG53729898 | 1961 | 01/10/68 | | |
| ROC Post Horden | Durham | NZ45483900 (probable) | 01/04/62 | 01/10/68 | | |
| ROC Post Horns Cross | Devon | SS37532361 | 01/06/60 | 01/10/68 | | |
| ROC Post Hornsea | Yorkshire | TA203493 | 01/12/58 | 01/10/68 | | |
| ROC Post Horsham | Sussex | TQ17882979 | 01/12/61 | 01/09/91 | | |
| ROC Post Horsmonden | Kent | TQ69823851 | 01/05/60 | 01/10/68 | | |
| ROC Post Horton-in-Ribblesdale | Yorkshire | SD81037230 | 01/06/65 | 01/09/91 | | |
| ROC Post Hounslow | London & Middlesex | TQ089749 | 01/07/66 | 01/10/68 | | |
| ROC Post Hovingham | Yorkshire | SE66677489 | 01/04/59 | 01/10/68 | | |
| ROC Post Howden | Yorkshire | SE77022772 | 01/05/63 | 01/10/68 | | |
| ROC Post Hucknall | Nottinghamshire | SK51494908 | 01/03/64 | 01/09/91 | | |
| ROC Post Hulland | Derbyshire | SK27964642 | 01/11/59 | 01/10/68 | | |
| ROC Post Humberston | Lincolnshire | TA32630576 | 01/09/63 | 01/10/68 | | |
| ROC Post Humbie | East Lothian | NT45736324 | 1 January 1961 | 01/10/68 | | |
| ROC Post Hunmanby | Yorkshire | TA06557878 | Unknown | 01/10/68 | | |
| ROC Post Hunslet | Yorkshire | SE31892785 (probable) | 01/06/62 | 01/10/68 | | |
| ROC Post Hunstanton | Norfolk | TF67584201 | 01/11/57 | 01/10/68 | | |
| ROC Post Huntly | Aberdeenshire | NJ54553859 | 01/03/58 | 01/09/91 | | |
| ROC Post Hurstbourne Tarrant | Hampshire | SU37535257 | Unknown | 01/09/91 | | |
| ROC Post Hyde | Cheshire | SJ95789260 | 01/12/62 | 01/10/68 | | |
| ROC Post Ickleton | Essex | TL47594154 | 01/07/59 | Before 1991 | | |
| ROC Post Ingoldsby | Lincolnshire | TF01122956 | 1959 | 01/10/68 | | |
| ROC Post Inkberrow | Worcestershire | SP01095696 | 01/12/62 | 01/09/91 | | |
| ROC Post Inverallochy | Aberdeenshire | NK02726456 | 01/02/61 | 01/10/68 | | |
| ROC Post Inveraray | Argyllshire | NN081070 | 01/10/60 | 01/10/58 | | |
| ROC Post Inverbervie | Kincardineshire | NO824727 | 01/09/61 | 01/10/68 | | |
| ROC Post Invergarry | Inverness-shire | NN29899839 | 01/09/60 | 01/09/91 | | |
| ROC Post Invergordon | Ross & Cromarty | NH68276916 | 01/05/65 | 01/09/91 | | |
| ROC Post Inverkeilor | Angus | NO68425013 | 01/04/60 | 01/09/91 | | |
| ROC Post Inverkeithing | Fife | NT132809 | 01/06/59 | 01/10/68 | | |
| ROC Post Inverness | Inverness-shire | NH67234692 | 01/05/61 | 01/10/68 | | |
| ROC Post Ipstones | Staffordshire | SK01625012 | 01/11/58 | 01/09/91 | | |
| ROC Post Irvinestown | Fermanagh | IH24516125 | Unknown | 01/10/68 | | |
| ROC Post Isleham | Suffolk | TL69047543 | 01/08/59 | 01/10/68 | | |
| ROC Post Jedburgh | Roxburghshire | NT63521956 | 01/09/61 | 01/09/91 | | |
| ROC Post Jerretts Pass | Down | IJ073322 | 01/12/57 | 01/09/91 | | |
| ROC Post John o' Groats | Caithness | ND40557325 | 01/09/59 | 01/09/91 | | |
| ROC Post Joppa Master Post | Ayrshire | NS41891953 | 01/03/61 | 01/09/91 | | |
| ROC Post Keighley | Yorkshire | SE03664237 | 01/05/62 | 01/09/91 | | |
| ROC Post Kelso | Roxburghshire | NT74393738 | 01/04/60 | 01/09/91 | | |
| ROC Post Kelty Master Post | Fife | NT14989145 | 01/04/63 | 01/09/91 | | |
| ROC Post Kelvedon | Essex | TL85581913 | 01/05/60 | 01/10/68 | | |
| ROC Post Kemble | Wiltshire | ST96729643 | 01/03/62 | 01/09/91 | | |
| ROC Post Kendal | Westmorland | SD52509164 | 01/05/65 | 01/09/91 | | |
| ROC Post Kennethmont | Aberdeenshire | NJ54922869 | 01/06/59 | 01/10/68 | | |
| ROC Post Kentford | Suffolk | TL71516540 | 01/08/59 | 01/10/68 | 1975 | 01/09/91 |
| ROC Post Kentisbeare | Devon | ST05220700 | 01/06/62 | 01/09/91 | | |
| ROC Post Kenton | Northumberland | NZ21496748 | 01/02/62 | 01/10/68 | | |
| ROC Post Kesh | Fermanagh | IH18176728 | 01/09/57 | 01/09/91 | | |
| ROC Post Kessingland | Suffolk | TM52818404 | 01/06/61 | 01/10/68 | | |
| ROC Post Kettering | Northamptonshire | SP86137523 | Unknown | 01/09/91 | | |
| ROC Post Keyingham | Yorkshire | TA25402443 | 01/11/65 | 01/09/91 | | |
| ROC Post Keynsham | Somerset | ST66756586 | 01/12/57 | 01/10/68 | | |
| ROC Post Kidlington | Oxfordshire | SP49871316 | 01/06/59 | 01/10/68 | | |
| ROC Post Kidwelly Master Post | Carmarthenshire | SN41590641 | 01/06/60 | 01/09/91 | | |
| ROC Post Kielder | Northumberland | NY63109186 | 01/03/61 | 01/09/91 | | |
| ROC Post Kilchattan Bay Master Post | Buteshire | NS08215611 | 01/09/61 | 01/09/91 | | |
| ROC Post Kildonan Master Post | Buteshire | NS03922193 | 01/12/62 | 01/09/91 | | |
| ROC Post Kildrummy | Aberdeenshire | NJ467179 | 01/04/60 | 01/10/68 | | |
| ROC Post Kilkeel | Down | IJ325148 | 01/09/59 | Mid 1980s | | |
| ROC Post Kilkhampton Master Post | Cornwall | SS25811340 | 01/10/61 | 01/09/91 | | |
| ROC Post Killearn | Stirlingshire | NS52958657 | 01/03/60 | 01/09/91 | | |
| ROC Post Killin | Perthshire | NN57613308 | 01/08/60 | 01/09/91 | | |
| ROC Post Kilmarnock Master Post | Ayrshire | NS45153966 | 01/03/61 | 01/09/91 | | |
| ROC Post Kilnsea | Yorkshire | TA415160 | Unknown | 01/10/68 | | |
| ROC Post Kilrea | Londonderry | IC89251277 | 01/02/62 | 01/09/91 | | |
| ROC Post Kilskerry | Tyrone | IH29625536 | 01/08/57 | 01/10/68 | | |
| ROC Post Kilwinning | Ayrshire | NS323421 | 01/08/65 | 01/10/58 | | |
| ROC Post Kimpton | Hertfordshire | TL18171786 | 01/11/58 | 01/10/68 | | |
| ROC Post Kinbrace | Sutherland | NC85593117 | 01/11/59 | 01/09/91 | | |
| ROC Post King's Lynn | Norfolk | TF60272274 | 01/10/60 | ca1989 | | |
| ROC Post Kinghorn | Fife | NT26618669 (possible) | 1 January 1959 | 01/10/68 | | |
| ROC Post Kings Langley Master Post | Hertfordshire | TL06570187 | 01/11/59 | 01/09/91 | | |
| ROC Post Kings Worthy | Hampshire | SU49453361 | 01/10/60 | 01/09/91 | | |
| ROC Post Kingsclere | Hampshire | SU52795839 | 01/06/60 | 01/10/68 | | |
| ROC Post Kingsdown | Kent | TR37604918 | 01/12/66 | 01/09/91 | | |
| ROC Post Kingsgate | Kent | TR39517092 | 01/06/61 | 01/10/68 | Unknown | 01/09/91 |
| ROC Post Kingston St. Mary | Somerset | ST23173039 | 01/04/62 | 01/09/91 | | |
| ROC Post Kingussie | Inverness-shire | NH77280115 | 01/04/61 | 01/09/91 | | |
| ROC Post Kinlochewe | Perthshire | NN66015794 | 01/10/60 | 01/09/91 | | |
| ROC Post Kinloch Rannoch | Ross & Cromarty | NH030616 | 01/05/61 | 01/10/68 | | |
| ROC Post Kintore Master Post | Aberdeenshire | NJ79681554 | 01/06/61 | 01/10/68 | ca1977 | 01/09/91 |
| ROC Post Kippen | Stirlingshire | NS63519423 | 01/05/61 | ? | | |
| ROC Post Kirby Hill | Yorkshire | SE37346960 | 01/07/58 | 01/09/91 | | |
| ROC Post Kirby Moorside | Yorkshire | SE66779102 | 01/05/58 | 01/09/91 | | |
| ROC Post Kirkbean | Kirkcudbrightshire | NX97535995 | 01/10/59 | 01/09/91 | | |
| ROC Post Kirkbride | Cumberland | NY22845828 | 01/05/62 | 1973 | | |
| ROC Post Kirkby Lonsdale | Westmorland | SD60257878 | 01/06/65 | 01/09/91 | | |
| ROC Post Kirkby Stephen | Westmorland | NY77809088 | 01/11/62 | 01/09/91 | | |
| ROC Post Kirkcowan | Wigtownshire | NX32196125 | 01/11/59 | 01/09/91 | | |
| ROC Post Kirkcudbright Master Post | Kirkcudbrightshire | NX704517 | 1 January 1964 | 01/09/91 | | |
| ROC Post Kirkgunzeon | Kirkcudbrightshire | NX869671 | 01/12/61 | 01/10/68 | | |
| ROC Post Kirkintilloch | Stirlingshire | NS67097573 | 01/04/63 | 01/09/91 | | |
| ROC Post Kirkliston | West Lothian | NT111743 | 01/12/63 | 01/10/68 | | |
| ROC Post Kirkmichael | Perthshire | NO09025962 | 01/10/62 | 01/09/91 | | |
| ROC Post Kirkwall | Orkney | HY41071159 | 01/06/60 | 01/09/91 | | |
| ROC Post Kirtlebridge | Dumfriesshire | NY21747301 | 01/10/61 | 01/09/91 | | |
| ROC Post Knaresborough | Yorkshire | SE361594 | 01/05/60 | 01/10/68 | | |
| ROC Post Knighton | Radnorshire | SO29997161 | 01/10/62 | 01/09/91 | | |
| ROC Post Knockholt | Unknown | Unknown | Unknown | Unknown | Unknown | Unknown |
| ROC Post Knutsford | Cheshire | SJ74847945 | 01/11/59 | 01/09/91 | | |
| ROC Post Kyle of Lochalsh-1 | Ross & Cromarty | NG781314 | 01/09/60 | 01/08/62 | | |
| ROC Post Kyle of Lochalsh-2 | Ross & Cromarty | NG77933090 | 01/03/64 | 01/09/91 | | |
