Monroe - 641 dialing code
Dialing code +1 (641) cities
- Chelsea
- Fairfield
- Hamilton
- Lincoln
- Union
- Delta
- Leighton
- Lineville
- Moulton
- Rockford
- Sheffield
- Benton
- Clio
- Geneva
- Libertyville
- Newton
- Duncan
- Prescott
- Williamson
- Chester
- Knoxville
- Alexander
- Bradford
- Conway
- Garner
- Gibson
- Kensett
- Rockwell
- Russell
- Bassett
- Corning
- Hampton
- Melbourne
- Osceola
- Portland
- St. Charles
- Thornton
- Weldon
- Galt
- Le Grand
- Plymouth
- Fremont
- Marysville
- Redding
- Centerville
- Greenfield
- Albion
- Bloomfield
- Garden Grove
- Creston
- Roseville
- Pleasanton
- Derby
- Eldora
- North Washington
- Montezuma
- Orchard
- New Haven
- Brooklyn
- Crystal Lake
- Mystic
- Laurel
- Milton
- Forest City
- Haverhill
- Lenox
- Unionville
- Menlo
- Mitchell
- Monroe
- Sharpsburg
- Collins
- Pulaski
- St. Marys
- Kellogg
- St. Anthony
- Allerton
- Casey
- Chapin
- Clear Lake
- Lynnville
- Mason City
- Seymour
- Thayer
- Toledo
- Adair
- Chillicothe
- Le Roy
- Eddyville
- Grafton
- Orient
- Rose Hill
- Yale
- Batavia
- Plano
- Harvey
- University Park
- Gilman
- Leland
- Rock Falls
- Mount Ayr
- Cromwell
- Woodburn
- Carbon
- Corydon
- Kent
- Bevington
- Dows
- Ackley
- Afton
- Agency
- Albia
- Alta Vista
- Aredale
- Arispe
- Athelstan
- Bagley
- Barnes City
- Baxter
- Beacon
- Beaconsfield
- Beaman
- Belmond
- Blakesburg
- Blockton
- Bolan
- Bridgewater
- Bristow
- Britt
- Buffalo Center
- Burchinal
- Bussey
- Carpenter
- Chariton
- Charles City
- Cincinnati
- Clearfield
- Clemons
- Colo
- Colwell
- Conrad
- Coulter
- Davis City
- Decatur City
- Deep River
- Delphos
- Diagonal
- Douds
- Dougherty
- Drakesville
- Dumont
- East Peru
- Eldon
- Ellston
- Elma
- Exline
- Ferguson
- Fertile
- Floris
- Floyd
- Fontanelle
- Garwin
- Gladbrook
- Goodell
- Grand River
- Greene
- Green Mountain
- Grinnell
- Guernsey
- Guthrie Center
- Hanlontown
- Hansell
- Harper
- Hartwick
- Hayesville
- Hayfield
- Hedrick
- Holiday Lake
- Hubbard
- Humeston
- Hutchins
- Ionia
- Iowa Falls
- Jamaica
- Joice
- Kanawha
- Kellerton
- Keomah Village
- Keota
- Kirkville
- Klemme
- Lacona
- Lake Mills
- Lake Panorama
- Lambs Grove
- Lamoni
- Latimer
- Leon
- Liscomb
- Little Cedar
- Lorimor
- Lovilia
- Lucas
- McIntire
- Macksburg
- Maharishi Vedic City
- Malcom
- Maloy
- Manly
- Marble Rock
- Marshalltown
- Martinsburg
- Melcher-Dallas
- Melrose
- Meservey
- Meyer
- Miller
- Millerton
- Milo
- Mingo
- Mona
- Montour
- Moravia
- Murray
- Nashua
- New Hampton
- New Providence
- New Sharon
- New Virginia
- Nodaway
- Nora Springs
- Northwood
- Numa
- Oakland Acres
- Osage
- Oskaloosa
- Otranto
- Ottumwa
- Owasa
- Panora
- Pella
- Promise City
- Rake
- Rathbun
- Reasnor
- Rhodes
- Riceville
- Rowan
- Rudd
- St. Ansgar
- Scarville
- Searsboro
- Shannon City
- Sigourney
- Stacyville
- State Center
- Steamboat Rock
- Sully
- Sun Valley Lake
- Swaledale
- Tama
- Thompson
- Thornburg
- Tingley
- Toeterville
- Truro
- Udell
- Van Wert
- Ventura
- Wellsburg
- What Cheer
- Whitten
- Woden
- Zearing