Zip Area Code

Maryland ZIP codes and area codes

Maryland has 697 towns and 605 ZIP codes, in area codes 410, 301, 443, 667, 227 and 240.

Area codes in Maryland

  • 410

    Bel Air, Annapolis and Towson

    Shares its area with 443 and 667

  • 301

    Bethesda, Beltsville and Laurel

    Shares its area with 227 and 240

  • 443

    Bel Air, Annapolis and Towson

    Shares its area with 410 and 667

  • 667

    Bel Air, Annapolis and Towson

    Shares its area with 410 and 443

  • 227

    Bethesda, Beltsville and Laurel

    Shares its area with 240 and 301

  • 240

    Bethesda, Beltsville and Laurel

    Shares its area with 227 and 301

Largest towns

Counties, A to Z

Every town in Maryland, A to Z