Zip Area Code

Los Alamos County, New Mexico

Los Alamos County, New Mexico, has 3 towns and 2 ZIP codes, in area code 505.

Towns in Los Alamos County, A to Z

TownZIP codesArea codes
Los Alamos87544, 87545505
San Ildefonso Pueblonearest87547505
White Rock87547505

ZIP codes in Los Alamos County

Area code in Los Alamos County

  • Area code 505

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.