Zip Area Code

Caledonia, Minnesota

Caledonia, Minnesota, in Houston County, has ZIP code 55921 and area code 507, with 924 as an overlay.

ZIP code
55921
Area codes
507, 924
Time zone
Central Time
Coordinates
43.6221, -91.4837

ZIP codes in Caledonia

ZIP codePost officeCountyArea codes
55921CaledoniaHouston County507, 924

Area codes for Caledonia

  • Area code 507

    In service since 1954. Shares its area with 924. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 924

    In service since August 30, 2024. Shares its area with 507. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Caledonia is in the Central Time zone.

Towns near Caledonia