ZIP Code 08243

08243 is one of New Jersey's ZIP codes, delivering to addresses in Sea Isle City, Cape May County.

City: Sea Isle City
County: Cape May County
State: New Jersey
Prefix: 082xx

Where this code sits

08243 is part of the 082xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sea Isle City.

Sea Isle City New Jersey ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 08243 delivers to without sharing its boundary.

ZIP codes nearest 08243

The ZIP codes whose reference points sit closest to 08243.
ZIP code	Distance	Delivers to
ZIP code 08246	3.6 mi	South Seaville, NJ
ZIP code 08248	3.9 mi	Strathmere, NJ
ZIP code 08230	4.3 mi	Ocean View, NJ
ZIP code 08202	4.3 mi	Avalon, NJ
ZIP code 08210	4.4 mi	Cape May Court House, NJ
ZIP code 08214	7.2 mi	Dennisville, NJ
ZIP code 08223	7.6 mi	Marmora, NJ
ZIP code 08247	7.7 mi	Stone Harbor, 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 08243, plotted from its record coordinates.

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

Scope ZIP code 08243. 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.