Zip Area Code

Glenn County, California

Glenn County, California, has 9 towns and 7 ZIP codes, in area code 530, with 837 as an overlay.

Towns in Glenn County, A to Z

TownZIP codesArea codes
Artois95913530, 837
Butte City95920530, 837
Elk Creek95939530, 837
Glenn95943530, 837
Hamiltonnearest95951530, 837
Hamilton City95951530, 837
Nordnearest95951530, 837
Orland95963530, 837
Willows95988530, 837

ZIP codes in Glenn County

Area codes in Glenn County

  • Area code 530

    In service since November 1, 1997. Shares its area with 837. Local calls are dialed with 1 plus ten digits.

  • Area code 837

    In service since January 31, 2025. Shares its area with 530. Local calls are dialed with 1 plus ten digits.