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ZIP Codes in Northumberland County with Associated Cities & Towns

Coal Township   17866
Dalmatia   17017
Dewart   17730
Dornsife   17823
Elysburg   17824
Excelsior   17866
Gowen City   17872
Herndon   17830
Kulpmont   17834
Leck Kill   17836
 Locust Gap   17840
Marion Height   17832
Marion Heights   17832
Mc Ewensville   17749
Milton   17847
Montandon   17850
Mount Carmel   17851
Northumberland   17857
Northumberlnd   17857
Paxinos   17860
 Potts Grove   17865
Ranshaw   17866
Rebuck   17867
Riverside   17868
Shamokin   17872
Snydertown   17877
Sunbury   17801
Trevorton   17881
Turbotville   17772
Watsontown   17777

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.