ZIP Code 07830

07830 is one of New Jersey's ZIP codes, delivering to addresses in Califon, Hunterdon County.

City: Califon
County: Hunterdon County
State: New Jersey
Prefix: 078xx

Where this code sits

07830 is part of the 078xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Califon.

Califon New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07830 delivers to without sharing its boundary.

908 Area code 908

ZIP codes nearest 07830

The ZIP codes whose reference points sit closest to 07830.
ZIP code	Distance	Delivers to
ZIP code 08858	4.7 mi	Oldwick, NJ
ZIP code 07979	4.7 mi	Pottersville, NJ
ZIP code 08833	4.9 mi	Lebanon, NJ
ZIP code 07853	5.2 mi	Long Valley, NJ
ZIP code 08829	5.3 mi	High Bridge, NJ
ZIP code 08826	5.3 mi	Glen Gardner, NJ
ZIP code 07870	5.7 mi	Schooleys Mountain, NJ
ZIP code 07831	7.0 mi	Changewater, NJ

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 07830, plotted from its record coordinates.

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

Scope ZIP code 07830. 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.