Postal reference / United States

08559Stockton, New Jersey

ZIP code 08559 is a United States postal code for Stockton, New Jersey. Its county association is Hunterdon County. The map reference point is at 40.4397, -74.9554.

State / territory
New Jersey
Recorded place name
Stockton
County association
Hunterdon
Estimated coordinate
40.4397, -74.9554
View on OpenStreetMap
ZIP prefix
085 · 37 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
39.835 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
08557SergeantsvilleNJHunterdon0.8
08556RosemontNJHunterdon2.2
08530LambertvilleNJHunterdon4.8
18963SoleburyPABucks4.9
18950Point PleasantPABucks6.0
18938New HopePABucks6.0
08803BaptistownNJHunterdon6.3
08551RingoesNJHunterdon6.7

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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