Warren County ZIP codes

Every ZIP code in Warren County, New Jersey, with the city it serves. Open any one for a free neighborhood report.

16 ZIP codes · Warren County, NJ · FIPS 34041

ZIP codes

16 in this county

07820Allamuchy 07823Belvidere 07825Blairstown 07832Columbia 07833Delaware 07838Great Meadows 07840Hackettstown 07844Hope 07846Johnsonburg 07863Oxford 07865Port Murray 07880Vienna 07882Washington 08808Broadwayunique 08865Phillipsburg 08886Stewartsville

1 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.