ZIP Code 08803

08803 is one of New Jersey's ZIP codes, delivering to addresses in Baptistown, Hunterdon County.

City: Baptistown
County: Hunterdon County
State: New Jersey
Prefix: 088xx

Where this code sits

08803 is part of the 088xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Baptistown.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 08803 delivers to without sharing its boundary.

908 Area code 908

ZIP codes nearest 08803

The ZIP codes whose reference points sit closest to 08803.
ZIP code	Distance	Delivers to
ZIP code 08825	1.4 mi	Frenchtown, NJ
ZIP code 18920	4.0 mi	Erwinna, PA
ZIP code 08834	4.1 mi	Little York, NJ
ZIP code 08868	4.6 mi	Quakertown, NJ
ZIP code 08867	5.9 mi	Pittstown, NJ
ZIP code 08557	6.2 mi	Sergeantsville, NJ
ZIP code 08559	6.3 mi	Stockton, NJ
ZIP code 18972	6.4 mi	Upper Black Eddy, PA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 08803, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 08803. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.