Football league season

The 1963–64 Tercera División season was the 28th since its establishment.

League tables

Group I

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Group II

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Group III

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Group IV

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Group V

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Notes:

Group VI-VII

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Notes:

Group VIII

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Group IX

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Group X

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Group XI

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Group XII

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Group XIII

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Notes:

Group XIV

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Group XV

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Promotion playoff

Champions

First Round

Final Round

Runners-up

First Round

Second Round

Final Round

Season records