USA Zip Code Finder

Delaware ZIP Codes

Delaware ZIP codes cover major cities like Wilmington, Dover, Newark, and rural areas in Sussex and Kent counties. ZIP codes starting with 197–199 are unique to Delaware.

Quick Facts

  • Total ZIP Codes: 105
  • Largest City: Wilmington
  • ZIP Range: 19701 – 19980
  • Area Codes: 302

Population Highlights

  • Wilmington Metro: ~0.72M
  • Dover Metro: ~0.36M
  • Newark Metro: ~0.32M

Major Counties

  • New Castle: 19701–19799
  • Kent: 19901–19977
  • Sussex: 19930–19980

Regional ZIP Distribution

  • Northern DE: 19701–19799
  • Central DE: 19901–19933
  • Southern DE: 19934–19980

Area Codes

  • 302: Entire state

Transportation & Landmarks

  • ILG Airport (Wilmington)
  • Major Interstates: I-95, I-295, DE-1
  • Port of Wilmington

Notable ZIP Codes

Some ZIP codes in Delaware are especially significant. 19801 covers downtown Wilmington, 19901 is central Dover, and 19711 covers Newark. Rural ZIP codes include 19930 and 19977.

Delaware ZIP Code Directory

ZIP Code â–² Common City â–²

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