641 Area Code 🌍☎️

The most populous cities in area code 641 are: Mason City, Orchard, Marshalltown, Pella, and Ottumwa.

Other cities in the 641 area code include: Oskaloosa, Newton, Grinnell, Fairfield, Little Cedar, Charles City, Knoxville, Iowa Falls, Centerville, Osceola, Chariton, Lenox, Hedrick, Clear Lake, Hampton, Garner, Toledo, Latimer, Forest City, Creston, Osage, Bloomfield, Lake Mills, Mount Ayr, Greenfield, Northwood, Manly, Corydon, Sully, Buffalo Center, Stacyville, Rudd, Sigourney, Britt, Albia, New Hampton, Ackley, Guthrie Center, Corning, Saint Charles, Batavia, Klemme, Elma, Lacona, Humeston, Montour, Joice, Shannon City, Nashua, Eldora, Saint Ansgar, Fontanelle, Scarville, Belmond, Lamoni, Leon, Monroe, Montezuma, State Center, Sheffield, New Sharon, Eddyville, Melcher Dallas, Rockwell, Panora, Baxter, Afton, Wellsburg, Milo, Eldon, Gladbrook, Melbourne, Moravia, Ventura, What Cheer, Kanawha, Seymour, Agency, Lovilia, Bussey, Zearing, New Virginia, Russell, Garwin, Thompson, Lynnville, Casey, Clearfield, Libertyville, Kensett, Diagonal, Marble Rock, Cincinnati, Steamboat Rock, Blakesburg, Alta Vista, Malcom, Kellerton, Yale, Woden, Rhodes, Mingo, Prescott, Leland, Delta, Lineville, Davis City, Leighton, Ollie, Linden, Lucas, Searsboro, Swaledale, Meservey, Tingley, Reasnor, Rose Hill, Bristow, Alexander, Rowan, Bridgewater, Goodell, Macksburg, Sharpsburg, Clemons, Chillicothe, Douds, Unionville, Plano, Redding, Toeterville, Adair, Columbia, Greene, Nora Springs, Otley, Conrad, Colo, Gilman, Thornton, Bagley, Keota, Brooklyn, Hubbard, Mc Intire, Riceville, Kellogg, Rockford, Fremont, Dumont, Murray, Moulton, Milton, Albion, Allerton, Union, Collins, Truro, Martensdale, Prole, Orient, Menlo, Floyd, Lorimor, Mystic, Laurel, Grafton, Fertile, Plymouth, Liscomb, Harvey, Pulaski, New Providence, Barnes City, Chester, Deep River, Floris, Chelsea, Jamaica, Beaman, Grand River, Hanlontown, Garden Grove, Weldon, Drakesville, Haverhill, Melrose, Geneva, Ledyard, Peru, Promise City, Harper, Dougherty, Thayer, Aredale, Benton, Derby, and Tracy.

Mason City is a city in and the county seat of Cerro Gordo County, Iowa, United States. The population was 28,079 in the 2010 census, a decline from 29,172 in the 2000 census. The Mason City Micropolitan Statistical Area includes all of Cerro Gordo and Worth counties. It is commonly referred to as the "River City", as the city grew up centered on the Winnebago River.

Orchard is a city in Mitchell County, Iowa, United States. The population was 71 at the 2010 census.

Marshalltown is a city in, and the county seat of, Marshall County, Iowa, United States. The population was 27,552 in the 2010 census, compared to 26,009 in 2000.

The 641 area code lies within the Central Daylight Time Zone (or CDT). The current time in Central Daylight Time is 06:22 AM on Mar 10, 2026.