Iowa Area Codes — 5 Codes
Iowa has 5 North American Numbering Plan area codes, covering about 3,206,104 people. The table lists each code with its largest towns, population and overlaps.
All area codes in Iowa
| Area code | Largest towns | Population | ZIP codes | Overlaps |
|---|---|---|---|---|
| 515 | Des Moines, Ankeny, Ames | 904,103 | 197 | — |
| 319 | Cedar Rapids, Iowa City, Waterloo | 796,029 | 189 | — |
| 712 | Sioux City, Council Bluffs, Storm Lake | 552,236 | 265 | — |
| 563 | Davenport, Dubuque, Bettendorf | 485,552 | 145 | — |
| 641 | Marshalltown, Ottumwa, Mason City | 468,184 | 247 | — |
Largest cities in Iowa
Des Moines 515Cedar Rapids 319Davenport 563Sioux City 712Iowa City 319Ankeny 515Dubuque 563Ames 515Council Bluffs 712West Des Moines 515Waterloo 319Urbandale 515Cedar Falls 319Marion 319Bettendorf 563Marshalltown 641Ottumwa 641Waukee 515Muscatine 563Fort Dodge 515Mason City 641Burlington 319Clinton 563Johnston 515Coralville 319North Liberty 319Altoona 515Newton 641Indianola 515Clive 515Grimes 515Norwalk 515Boone 515Oskaloosa 641Pella 641Storm Lake 712Pleasant Hill 515Le Mars 712Decorah 563Fort Madison 319
Frequently asked questions
How many area codes does Iowa have?
Iowa uses 5 area codes.
What is the main area code in Iowa?
515 covers the largest population in Iowa.
How do I find the area code for a town?
Open the town in the city list above; each town page lists every area code assigned to it.