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ZIP Codes in Warren County with Associated Cities & Towns

Berwick   61417
Cameron   61423
Gerlaw   61435
 Kirkwood   61447
Little York   61453
Monmouth   61462
 Roseville   61473
Smithshire   61478

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.