IOWA · AREA CODE GUIDE
712 area code location: Sioux City, Iowa
- Local date and time
- Central Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
Use arrow keys to pan. To zoom, use plus and minus, or hold Ctrl or ⌘ and scroll. On touch screens, use two fingers.
Download the 712 area code map
A printable area code 712 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
712 area code at a glance
- State
- Iowa
- Primary cities
- Sioux City, Council Bluffs, and Storm Lake
- Established
- Population
- Largest community: Sioux City, 86,356 (2025)Not an area-code population.
- Prefixes in service
- 631 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
New code planned: No, as of 22 September 2026.
Time zone
- Central Time
- Standard time UTC−06:00
- Daylight saving time UTC−05:00
Counties and cities covered
712 numbers are issued across 244 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): Woodbury County, Pottawattamie County, Sioux County, Carroll County, Crawford County, Harrison County, Shelby County, Fremont County, Lyon County, Plymouth County, Sac County, Buena Vista County, Cass County, Cherokee County, Monona County, Clay County, Mills County, O'Brien County, Page County, Palo Alto County, Pocahontas County, Calhoun County, Dickinson County, Emmet County, Ida County, Montgomery County, Osceola County, Audubon County, Taylor County, Greene County, Guthrie County, and Adams County.
- Sioux City
- Council Bluffs
- Storm Lake
- Spencer
- Le Mars
- Carroll
- Sioux Center
- Denison
- Atlantic
- Orange City
- Estherville
- Sheldon
- Spirit Lake
- Red Oak
- Sergeant Bluff
- Glenwood
- Clarinda
- Cherokee
- Harlan
- Shenandoah
- Rock Valley
- Emmetsburg
- Carter Lake
- Milford
- Onawa
219 more communities
- Sibley
- Rock Rapids
- Hawarden
- Missouri Valley
- Hull
- Rockwell City
- Sac City
- Audubon
- Ida Grove
- Alta
- Pocahontas
- Moville
- Woodbine
- Remsen
- Avoca
- Lake City
- Manson
- Hartley
- Akron
- Oakland
- Bedford
- Holstein
- Sanborn
- Manning
- Kingsley
- Logan
- Alton
- Coon Rapids
- Laurens
- Arnolds Park
- Mapleton
- Glidden
- Lake View
- Lake Park
- Villisca
- George
- Treynor
- Sloan
- Malvern
- Sidney
- Marcus
- Dunlap
- Tabor
- Griswold
- Paullina
- Odebolt
- Inwood
- Underwood
- Larchwood
- Anita
- Hinton
- Lawton
- Aurelia
- Neola
- Primghar
- Hamburg
- Armstrong
- Graettinger
- Schleswig
- Newell
- Exira
- Carson
- Correctionville
- Manilla
- Whiting
- Wall Lake
- Shelby
- Walnut
- Ruthven
- Essex
- Schaller
- Merrill
- Sioux Rapids
- Hospers
- Boyden
- Battle Creek
- Stanton
- Doon
- Sutherland
- Fonda
- Elk Horn
- Crescent
- Albert City
- Arcadia
- Early
- Ireton
- Minden
- Everly
- Anthon
- Charter Oak
- Pomeroy
- Scranton
- Rolfe
- Breda
- Farragut
- Dow City
- Little Rock
- Ashton
- Ocheyedan
- Galva
- Bayard
- Emerson
- Earling
- New Market
- Vail
- Royal
- Lohrville
- Lewis
- Massena
- Ringsted
- Templeton
- Mondamin
- Ute
- Pierson
- Elliott
- Irwin
- Peterson
- Danbury
- Lester
- Salix
- Terril
- Granville
- Bronson
- Persia
- Modale
- Westside
- Kimballton
- Lytton
- Maurice
- Halbur
- Kiron
- Macedonia
- Mallard
- Hornick
- Auburn
- Pisgah
- Cumberland
- Silver City
- Riverton
- Defiance
- Quimby
- Panama
- Blencoe
- Cleghorn
- Cushing
- Dedham
- Alvord
- Arthur
- Marathon
- Washta
- Magnolia
- Hancock
- Melvin
- Rembrandt
- Moorhead
- Portsmouth
- Randolph
- Smithland
- Soldier
- Little Sioux
- Coin
- College Springs
- Meriden
- Thurman
- Lidderdale
- Wallingford
- Gravity
- Linn Grove
- Harris
- Dickens
- Braddyville
- Henderson
- Brayton
- Webb
- Ayrshire
- Palmer
- Westphalia
- Brunsville
- Superior
- Havelock
- Archer
- Larrabee
- Lanesboro
- Ricketts
- Marne
- Castana
- Pacific Junction
- Wiota
- Cylinder
- Grant
- Matlock
- Ralston
- Struble
- Nodaway
- Oto
- Nemaha
- Dolliver
- Kirkman
- Northboro
- Plover
- Curlew
- Imogene
- Gillett Grove
- Beloit
- Bethesda
- Climbing Hill
- East Harrisburg
- East Hudson
- East Nebraska City
- Jacksonville
- May City
- Midland
- Mineola
- North Hopkins
- Percival
- South Bigelow
- South Hills
- South Steen
- South Valley Springs
Notable places in 712
| Place | Where | What it is |
|---|---|---|
| Sioux Gateway Airport | 2.8 km from Sergeant Bluff | Commercial airport, 28,299 enplanements (2024) |
| Storm Lake Municipal Airport | 6.2 km from Storm Lake | Airport |
| Council Bluffs Municipal Airport | 8.4 km from Council Bluffs | Airport |
| Northwestern College | 0.3 km from Orange City | University, 2,117 12-month enrollment (2023–24) |
| Dordt University | 0.9 km from Sioux Center | University, 2,084 12-month enrollment (2023–24) |
| USS Hazard | 1.8 km from Carter Lake | Museum |
| Briar Cliff University | 4.7 km from Sioux City | University, 1,125 12-month enrollment (2023–24) |
| Museum of Danish America | 0.6 km from Elk Horn | Museum |
| America's Old-Time Country Music Hall Of Fame | 0.2 km from Anita | Museum |
| Dodge Park Playland | 3.0 km from Carter Lake | Amusement park |
Questions about 712
Where is the 712 area code?
712 is in Iowa. Its numbers are issued in Sioux City, Council Bluffs, Storm Lake, and 241 other communities.
What time zone is area code 712 in?
712 is in Central Time. Daylight saving time is observed.
What cities are in the 712 area code?
Sioux City, Council Bluffs, Storm Lake, Spencer, and Le Mars, and 239 other communities.
What state is area code 712 in?
Area code 712 is in Iowa.
What counties are covered by area code 712?
Area code 712 covers communities in Woodbury County, Pottawattamie County, Sioux County, Carroll County, Crawford County, Harrison County, Shelby County, Fremont County, Lyon County, Plymouth County, Sac County, Buena Vista County, Cass County, Cherokee County, Monona County, Clay County, Mills County, O'Brien County, Page County, Palo Alto County, Pocahontas County, Calhoun County, Dickinson County, Emmet County, Ida County, Montgomery County, Osceola County, Audubon County, Taylor County, Greene County, Guthrie County, and Adams County.
Is 712 a toll-free area code?
No. 712 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 712, answered by an AI agent
A local number for Sioux City, Council Bluffs, and Storm Lake, Iowa, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.