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Area code 641

Area code 641 covers Mason City, Iowa. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Iowa Major City: Mason City Central Time (CT) Overlay: None
01 / WHERE IT IS

Where is area code 641?

Area code 641 is assigned to Mason City and the surrounding region in Iowa. Calls to numbers that start with 641 are routed to this area.

Area code 641 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Mitchell CountyCerro Gordo CountyMarshall CountyMarion CountyWapello CountyJasper CountyMahaska CountyFranklin CountyWinnebago CountyFloyd CountyHancock CountyAppanoose CountyPoweshiek CountyKeokuk CountyChickasaw CountyHardin CountyWorth CountyUnion CountyGuthrie CountyWayne CountyRinggold CountyJefferson CountyAdair County

Line types

  • Mobile 29.04%
  • Landline 70.96%
02 / MAP

Area code 641 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Mason City

This area code is in the Central Time (CT) time zone.

Local timeMason City, IA--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Mason City

WITHIN THE US641 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 641 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 641 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 641 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 641 555 0123
🇦🇺Australia0011 1 641 555 0123
🇯🇵Japan010 1 641 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 641

Share of the number blocks by carrier and line type.

Landline

Windstream Communications
30%
Lumen Technologies
9%
FARMERS TEL. CO.
7%
Sinch
5%
WINNEBAGO COOP. TEL. ASSN.
4%
Others
45%

Mobile

Verizon Wireless
27%
UScellular
23%
Sinch
17%
AT&T Mobility
17%
T-MOBILE USA
13%
Others
3%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 641

582 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(641) 200 Landline Charles City BandwidthBANDWIDTH.COM CLEC, LLC - IA
(641) 201 Landline Mason City Metro by T-MobileMETROPCS, INC.
(641) 202 Mobile Creston UScellularUNITED STATES CELLULAR - IA
(641) 203 Mobile Chariton UScellularUNITED STATES CELLULAR - IA
(641) 204 Landline Pella Metro by T-MobileMETROPCS, INC.
(641) 205 Landline Knoxville LOCAL TELEPHONE DATA SERVICES CORP.
(641) 206 Mobile Osceola AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(641) 207 Landline Keota LOCAL TELEPHONE DATA SERVICES CORP.
(641) 208 Mobile Bloomfield Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA
(641) 209 Landline Fairfield LOCAL TELEPHONE DATA SERVICES CORP.

Showing 10 of 582 prefixes

07 / FAQ

Frequently asked questions about area code 641

Where is area code 641 used?
Area code 641 serves Mason City and the surrounding area in Iowa, including Mitchell County, Cerro Gordo County, Marshall County, Marion County, Wapello County.
What city is area code 641 from?
The main city of area code 641 is Mason City, IA.
What time zone is area code 641 in?
Area code 641 is in the Central Time (CT) time zone (America/Chicago).
Is 641 an overlay area code?
No. Area code 641 is not currently part of an overlay.
How do I call a number with area code 641 from the United States?
Dial the 10 digits: 641 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 641 number from another country?
Dial your country's exit code (or +), then 1, then 641 and the seven-digit number. From a mobile you can use +1 641 XXX XXXX.
Which carriers use area code 641?
Most landline blocks belong to Windstream Communications and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 641 for landlines, mobiles or both?
Both. About 70.96% of the number blocks are landline, 29.04% mobile.
How do I save a 641 number in WhatsApp or my phone?
Save it in international format: +1 641 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 641?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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