🇺🇸 United States · Iowa

Area code 641

Area code 641 is a telephone area code in Iowa, United States, covering Mason City, Fairfield, Ottumwa, Marshalltown, Centerville, Oskaloosa and more. Local time is UTC−6 (UTC−5 in summer). Numbers look like (641) 234-5678, or +1 641 234 5678 from abroad.

State: Iowa
Time zone: Chicago UTC−6 (UTC−5 in summer)
Local time now: –
Dial from abroad: +1 641

Places in area code 641

Cities and towns with telephone exchanges in the 641 area code, most exchanges first.

Mason City
Fairfield
Ottumwa
Marshalltown
Centerville
Oskaloosa
Newton
Knoxville
Eldora
Charles City
Grinnell
Monroe
Corning
Northwood
Lenox
Osceola
Clear Lake
Conrad
New Hampton
Nashua
Belmond
Leon
Hampton
Mount Ayr

How to dial area code 641

Calling from	You dial
Inside the 641 area	641 234 5678 (10 digits)
Elsewhere in the US & Canada	1 641 234 5678
Any mobile phone, anywhere	+1 641 234 5678
UK, Europe, India and most countries	00 1 641 234 5678
Australia	0011 1 641 234 5678

Other area codes in Iowa

319 Iowa City, Waterloo 515 Des Moines, West Des Moines 563 Davenport, Clinton 712 Sioux City, Council Bluffs

Area code 641: FAQ

Where is area code 641?

Area code 641 is in Iowa, United States and serves Mason City, Fairfield, Ottumwa, Marshalltown, Centerville, Oskaloosa. and other places

What time zone is area code 641 in?

Area code 641 is in the America/Chicago time zone (UTC−6 (UTC−5 in summer)).

How do I call a 641 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 641 and the seven-digit number. Example: +1 641 234 5678.

Is a call from area code 641 a scam?

Area code 641 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 641 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+16412345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}