ZIP Code 07866

07866 is one of New Jersey's ZIP codes, delivering to addresses in Rockaway, Morris County.

City: Rockaway
County: Morris County
State: New Jersey
Prefix: 078xx

Where this code sits

07866 is part of the 078xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rockaway.

Rockaway New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 07866 delivers to without sharing its boundary.

ZIP codes nearest 07866

The ZIP codes whose reference points sit closest to 07866.
ZIP code	Distance	Delivers to
ZIP code 07842	1.7 mi	Hibernia, NJ
ZIP code 07801	2.0 mi	Dover, NJ
ZIP code 07834	2.6 mi	Denville, NJ
ZIP code 07878	3.9 mi	Mount Tabor, NJ
ZIP code 07885	4.1 mi	Wharton, NJ
ZIP code 07046	4.2 mi	Mountain Lakes, NJ
ZIP code 07803	5.0 mi	Mine Hill, NJ
ZIP code 07005	5.0 mi	Boonton, 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 07866, plotted from its record coordinates.

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

Scope ZIP code 07866. 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.