Union County New Jersey Zip Codes

Cities in

Below are a list of the cities located in Union County, NJ. There are 30 total unique zip codes in Union County, New Jersey. The time zone for Union County is the Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 34039.

The population in Union County, NJ is currently 572,114. That is an increase of 6.72% vs the population of 536,499 in 2010.


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