what is the zip code for bridgeport mi?
<answer> 48601,48722 <context> According to our research of Michigan and other state lists there were 9 registered sex offenders living in 48722 zip code as of February 03, 2017. The ratio of number of residents in zip code 48722 to the number of sex offenders is 432 to 1. The number of registered sex offenders compared to the number of residents in this zip code is smaller than the state average. This zip code: