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ZIP Codes in Warren County with Associated Cities & Towns

Allamuchy   07820
Alpha   08865
Belvidere   07823
Blairstown   07825
Broadway   08808
Buttzville   07829
Changewater   07831
 Columbia   07832
Delaware   07833
Great Meadows   07838
Hackettstown   07840
Hardwick   07825
Hope   07844
Johnsonburg   07846
 Oxford   07863
Phillipsburg   08865
Port Murray   07865
Stewartsville   08886
Vienna   07880
Washington   07882

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.