Where is the 641 area code?

Area code 641 covers Iowa, on Central Time.

What time zone is area code 641 in?

Numbers in the 641 area code sit in Central Time.

Is 641 a toll-free or scam area code?

No. 641 is a geographic North American Numbering Plan area code assigned to Iowa. Toll-free numbers use 800, 833, 844, 855, 866, 877 and 888. A call from 641 can still be spoofed, so treat unexpected calls with the usual caution.

Area code lookup

641 area code

Where the 641 area code is, which cities and counties it serves, the local time zone and the overlay codes dialled alongside it.

State: IA
Codes in state: 5
Overlays & neighbours: 4
Time zone: Central Time

Quick answer

Area code 641 is a geographic area code assigned to Iowa under the North American Numbering Plan. Iowa observes Central Time, and the state also holds 4 other area codes: 319, 515, 563, 712.

Largest cities in Iowa

The largest places in Iowa. Each links to its full local profile: population, income, housing and sales tax.

City	Population
Des Moines city	212,464
Cedar Rapids city	136,859
Davenport city	101,083
Sioux City city	85,651
Iowa City city	75,264
Ankeny city	70,542
West Des Moines city	69,893
Waterloo city	66,947
Ames city	66,112
Council Bluffs city	62,564
Dubuque city	59,271
Urbandale city	46,026

All Iowa cities All Iowa ZIP codes Iowa sales tax

Related area codes

Codes that share or border the same calling area.

641 area code FAQ

The questions people ask about this code.

Where is area code 641?

641 is a geographic area code in Iowa.

What time is it in the 641 area code?

641 observes Central Time.

Is 641 a scam area code?

No — it is a normal geographic code, not a toll-free or premium-rate prefix. Caller ID can be spoofed on any code, so verify unexpected callers before sharing information.

Sources & transparency

North American Numbering Plan Administrator (NANPA) area code assignments — area code to geography mapping and overlay relationships
US Census Bureau, American Community Survey 2019-2023 5-year estimates — city, county and ZIP code geography

Last reviewed August 2026. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.