In Atlantic County New Jersey, Atlantic City Post Office has the maximum zip codes – 8401, 8405 and 8404. In Bergen County, Mahwah Post Office has the most zip codes – 7430, 7498 and 7495. It is closely followed by Hackensack, Paramus, Ridgewood and Teaneck post offices with 2 zip codes each.
In Camden County, Camden Post Office has 5 zip codes – 8101, 8104, 8102, 8105 and 8103. Next up are Cherry Hill Post Office with 3 and Bellmawr Post Office with a couple of zip codes. In Essex County, Newark Post Office has 23 zip codes, which is the highest for that County. It is followed by East Orange Post Office with 3 zip codes.