Cromwell Minnesota Area Code

One area code covers Cromwell: 218.

The code covering Cromwell

Area codes covering Cromwell, Minnesota, with what each one primarily serves.
Area code	Primarily serves	In service
218	Duluth	1947

Scope the codes matched to Cromwell. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated 16 July 2026. Overlay relationships come from the numbering-plan authority; the place match is computed.

Which part of town has which code

Cromwell has a single code, so there is nothing to divide — every local line carries 218.

ZIP codes for the same city

Postal geography is organised separately from telephone geography, so Cromwell’s 1 ZIP code do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.

Cromwell Minnesota ZIP codes →

Nearby places with different codes

These are the closest places to Cromwell whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.

The nearest places to Cromwell covered by a different set of area codes.
City	Distance	Their area codes
Bruno Minnesota area codes	29 mi	218, 320
Finlayson Minnesota area codes	33 mi	320
Askov Minnesota area codes	34 mi	320
Sandstone Minnesota area codes	38 mi	320
Hinckley Minnesota area codes	46 mi	320
Isle Minnesota area codes	47 mi	320
Wahkon Minnesota area codes	50 mi	320
Brook Park Minnesota area codes	51 mi	320

Straight-line distance between place reference points, not driving distance.