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641 Area Code 🌍☎️

Area Code Profile · Iowa

The 641 area code is located in the state of Iowa and covers 276 cities, serving a total population of approximately 332,605. Major cities covered by the 641 area code include Mason City, Marshalltown, Ottumwa, Newton, Oskaloosa (which represents the most populated areas). There are a total of 552 telephone prefix exchanges in this area code, which support an estimated 5,520,000 active or assignable phone numbers. These prefix lines are operated by 73 distinct carriers, with Mason City as the primary rate center location.

Central Time276 Cities552 Prefixes

Reverse Phone Lookup in Mason City, Iowa

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (641).

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Neighborhood Demographics

Calculated demographics and census summary estimations for area code 641.

47 y/oMedian Age
$65,500Median Income
$340,000Median Home Value
332,605Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 641.

Did you receive an unwanted call from a (641) phone number?

Help the community identify spammers by filing a comment.

(641) 855-9560May 20, 2026Scam / Fraud
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
See Details
(641) 868-9577May 19, 2026Robocall
Robocall regarding health insurance plans. Said my current coverage was expiring and offered a "free consultation". Calling multiple times a day from slightly different numbers.
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(641) 881-9594May 18, 2026Scam / Fraud
Robocall claiming to be from the IRS. Stated that my Social Security Number has been flagged and suspended. Asked to press 1 to speak with an agent. Obvious phishing scam.
See Details
(641) 894-9611May 17, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details
(641) 507-9628May 16, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details

Cities in the 641 Area Code

The most populous cities in area code 641 are: Mason City (28,079), Marshalltown (27,552), Ottumwa (25,023), Newton (15,254), and Oskaloosa (11,463).

Other cities in the 641 area code include:

Pella, Fairfield, Grinnell, Creston, Clear Lake, Charles City, Knoxville, Centerville, Iowa Falls, Osceola, Hampton, Chariton, Forest City, Albia, Osage, New Hampton, Garner, Tama, Eldora, Bloomfield, Belmond, Toledo, Lamoni, Lake Mills, Britt.

CityPopulation% in Area Code
Mason City28,079100%
Marshalltown27,552100%
Ottumwa25,023100%
Newton15,254100%
Oskaloosa11,463100%
Pella10,352100%
Fairfield9,464100%
Grinnell9,218100%
Creston7,834100%
Clear Lake7,777100%
Charles City7,652100%
Knoxville7,313100%
Centerville5,528100%
Iowa Falls5,238100%
Osceola4,929100%
Hampton4,461100%
Chariton4,321100%
Forest City4,151100%
Albia3,766100%
Osage3,619100%

Showing top 20 of 276 cities.

What Time Zone is Area Code 641?

Central Time Zone

Abbreviation: CT · UTC Offset: UTC-6

The 641 area code lies within the Central Time Zone (CT, UTC-6).

Nearby Area Codes

319Cedar Rapids, Iowa515Des Moines, Iowa563Davenport, Iowa712Sioux City, Iowa

Phone Prefixes in the 641 Area Code

552 prefixes found · 73 carriers · 223 rate centers

PrefixCarrierRate Center
(641) 200BANDWIDTH.COM CLEC, LLC - IACHARLES CY
(641) 201METROPCS, INC.MASON CITY
(641) 202UNITED STATES CELLULAR - IACRESTON
(641) 203UNITED STATES CELLULAR - IACHARITON
(641) 204METROPCS, INC.PELLA
(641) 205LOCAL TELEPHONE DATA SERVICES CORP.KNOXVILLE
(641) 206NEW CINGULAR WIRELESS PCS, LLC - ILOSCEOLA
(641) 207LOCAL TELEPHONE DATA SERVICES CORP.KEOTA
(641) 208CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IABLOOMFIELD
(641) 209LOCAL TELEPHONE DATA SERVICES CORP.FAIRFIELD
(641) 210T-MOBILE USA, INC.MASON CITY
(641) 212WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMSGREENFIELD
(641) 213FARMERS TEL. CO.NEW HAVEN
(641) 214CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IADAVIS CITY
(641) 215TELNYX LLCOSKALOOSA
(641) 216UNITED STATES CELLULAR - IACENTERVL
(641) 217WINDSTREAM IOWA COMMUNICATIONS, INC.CHARITON
(641) 218UNITED STATES CELLULAR - IAKNOXVILLE
(641) 219CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IACHARITON
(641) 220CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IACHARLES CY
(641) 221UNITED STATES CELLULAR - IAGREENFIELD
(641) 222FRACTEL, LLCBRITT
(641) 223WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTHOSCEOLA
(641) 224LOCAL TELEPHONE DATA SERVICES CORP.SIGOURNEY
(641) 225LOCAL TELEPHONE DATA SERVICES CORP.EDDYVILLE
(641) 226NEW CINGULAR WIRELESS PCS, LLC - ILOTTUMWA
(641) 227PARTNER COMMUNICATIONS COOPERATIVEBAXTER
(641) 228QWEST CORPORATIONCHARLES CY
(641) 229CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IANEWHAMPTON
(641) 230NEW CINGULAR WIRELESS PCS, LLC - ILPELLA
(641) 231CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IACLEAR LAKE
(641) 232NEW CINGULAR WIRELESS PCS, LLC - ILLEIGHTON
(641) 233T-MOBILE USA, INC.FAIRFIELD
(641) 234IOWA RSA 2 LIMITED PARTNERSHIP DBA CHAT MOBILITYMOUNT AYR
(641) 235FARMERS TEL. CO.NEW HAVEN
(641) 236WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTHGRINNELL
(641) 237FARMERS TEL. CO.NEW HAVEN
(641) 238ONVOY, LLC - IAGENEVA
(641) 239NEW CINGULAR WIRELESS PCS, LLC - ILAFTON
(641) 240NEW CINGULAR WIRELESS PCS, LLC - ILUNIONVILLE
(641) 241NEW CINGULAR WIRELESS PCS, LLC - ILFONTANELLE
(641) 242MCC TELEPHONY OF IOWA, LLC - IABLOOMFIELD
(641) 243LEVEL 3 COMMUNICATIONS, LLC - IAMASON CITY
(641) 244NEW CINGULAR WIRELESS PCS, LLC - ILOTTUMWA
(641) 245NEW CINGULAR WIRELESS PCS, LLC - ILPRESCOTT
(641) 246NEW CINGULAR WIRELESS PCS, LLC - ILNORA SPG
(641) 247UNITED STATES CELLULAR - IAFONTANELLE
(641) 248NEW CINGULAR WIRELESS PCS, LLC - ILOLLIE
(641) 249NEW CINGULAR WIRELESS PCS, LLC - ILLINEVILLE
(641) 250LEVEL 3 COMMUNICATIONS, LLC - IAMANLY
(641) 251T-MOBILE USA, INC.FORESTCITY
(641) 252NEW CINGULAR WIRELESS PCS, LLC - ILDUMONT
(641) 253NEW CINGULAR WIRELESS PCS, LLC - ILBRISTOW
(641) 254LEVEL 3 COMMUNICATIONS, LLC - IANASHUA
(641) 255T-MOBILE USA, INC.MASON CITY
(641) 256NEW CINGULAR WIRELESS PCS, LLC - ILCRESTON
(641) 257QWEST CORPORATIONCHARLES CY
(641) 258TON80 COMMUNICATIONS, LLCADAIR
(641) 259WINDSTREAM IOWA COMMUNICATIONS, INC.MONROE
(641) 260CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IAGRINNELL
(641) 261T-MOBILE USA, INC.TOLEDO
(641) 262FARMERS TEL. CO.NEW HAVEN
(641) 263AUREON COMMUNICATIONS, LLCMORAVIA
(641) 264FARMERS TEL. CO.LTL CEDAR
(641) 265ONVOY SPECTRUM, LLCATTICA
(641) 266TON80 COMMUNICATIONS, LLCACKLEY
(641) 267ONVOY SPECTRUM, LLCCHILLICOTH
(641) 268AUREON COMMUNICATIONS, LLCLACONA
(641) 269WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTHGRINNELL
(641) 270ONVOY SPECTRUM, LLCCINCINNATI
(641) 271ONVOY SPECTRUM, LLCCLEARFIELD
(641) 272TON80 COMMUNICATIONS, LLCBRIDGEWTR
(641) 273ONVOY SPECTRUM, LLCDIAGONAL
(641) 274NEW CINGULAR WIRELESS PCS, LLC - ILLOVILIA
(641) 275NEW CINGULAR WIRELESS PCS, LLC - ILNEWTON
(641) 276ONVOY SPECTRUM, LLCAGENCY
(641) 277NEW CINGULAR WIRELESS PCS, LLC - ILOTTUMWA
(641) 278WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTHCRESTON
(641) 279ONVOY SPECTRUM, LLCDOUDS
(641) 281STRATUS NETWORKSCHARLES CY
(641) 282NEW CINGULAR WIRELESS PCS, LLC - ILSOUTHADAMS
(641) 283ONVOY SPECTRUM, LLCELDON
(641) 284ONVOY SPECTRUM, LLCFARSON
(641) 285ONVOY SPECTRUM, LLCHEDRICK
(641) 286ONVOY SPECTRUM, LLCKELLERTON
(641) 288NEW CINGULAR WIRELESS PCS, LLC - ILAMUND
(641) 289UNITED STATES CELLULAR - IALAMONI
(641) 290DISH WIRELESS, LLCMILO
(641) 292ONVOY SPECTRUM, LLCLIBERTYCTR
(641) 293WINNEBAGO COOP. TEL. ASSN. - IASO EMMONS
(641) 295UNITED STATES CELLULAR - IAOSKALOOSA
(641) 297FMTC-I35, INC. D/B/A OMNITEL COMMUNICATIONSST MARYS
(641) 298CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MNAMUND
(641) 300FRACTEL, LLCOSAGE
(641) 302DISH WIRELESS, LLCRHODES
(641) 303MCC TELEPHONY OF IOWA, LLC - IASTATE CTR
(641) 307WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMSGUTHRIECTR
(641) 308FARMERS TEL. CO.NEW HAVEN
(641) 309FARMERS TEL. CO.NEW HAVEN
(641) 310ONVOY, LLC - IAMARSHALLTN

Showing first 100 of 552 prefixes.

Frequently Asked Questions

Where is area code 641?
Area code 641 is located in Iowa, covering cities including Mason City, Marshalltown, Ottumwa.
What time zone is area code 641?
Area code 641 is in the Central Time Zone (CT, UTC-6).
What state is area code 641?
Area code 641 is in Iowa.