Iowa Area Codes
5 active area codes · Des Moines · Population around 3,230,454
Iowa has 5 active area codes, serving cities like Des Moines, Cedar Rapids, and Davenport. The newest, 563, has been in service since March 25, 2001. Each code below links to its cities, carriers, timezone, and coverage map.
Iowa Area Code Map
What area codes does Iowa have?
- 319Cedar RapidsCentral Time (CT) · 175 cities · 803,481
- 515Des MoinesCentral Time (CT) · 144 cities · 888,216
- 563DavenportCentral Time (CT) · 143 cities · 482,800
- 641Mason CityCentral Time (CT) · 276 cities · 463,994
- 712Sioux CityCentral Time (CT) · 278 cities · 555,289
More than one of these codes covers 20 of the 99 counties in Iowa, and one county is covered by 2 of them.
How many phone prefixes does Iowa use?
The area codes in Iowa hold 2,571 assigned prefixes between them, listed under 249 distinct carrier names. A prefix is the three digits after the area code, and NANPA assigns each one to a single carrier.
Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Iowa have?
Iowa has 5 active area codes: 319, 515, 563, 641, 712.
What is the main area code for Iowa?
Of the 5 area codes in Iowa, 515 is the oldest one still serving Des Moines, its largest city. 515 has been in service since 1947.
What are the largest cities in Iowa?
The largest cities in Iowa include Des Moines, Cedar Rapids, Davenport, Sioux City, Ankeny.
What is the total population of Iowa?
Iowa has an estimated total population of 3,230,454 based on US Census PEP 2024 data.
What is the newest area code in Iowa?
563, in service since March 25, 2001.
Is my county covered by more than one area code in Iowa?
It may be: more than one area code covers 20 of the 99 counties in Iowa, and one county there is covered by 2 of them. The table above shows which codes reach each of the largest cities.