North American Numbers
State · 5 area codes
Iowa area codes
Iowa has five area codes serving Des Moines, Cedar Rapids, the Quad Cities and the western and northern regions.
A · Metros
Major metro areas
Des Moines Cedar Rapids Davenport Sioux City
B · Directory
All Iowa area codes
Every code opens its profile — codes with a full write-up show their place; the rest show live numbering data while their detailed profile is added.
Sources
Wikipedia ↗
List of Iowa area codes (secondary)
Compiled by North American Numbers, last checked 2026-09-19. How this is made.