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Area Code 712 Location & Details

State / Region: Iowa • Country: United States

Major Cities Covered: Sioux City, Council Bluffs, Storm Lake, Spencer, Le Mars, Carroll, Sioux Center, Denison, Atlantic, Orange City

Standard Dial Format
+1 (712) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 712?
IowaState Hub →
Country Territory
United States
712 Area Code Time Zone
Central
712 Overlay Codes
No Overlays

Area Code 712 Geographic Map

Interactive location bounds and coverage area for Iowa (Central Timezone)

Lat: 42.34° • Lng: -95.54°
📍 Geographic Center: IowaMap data © OpenStreetMap contributors

Where is Area Code 712 Located?

Telephone area code 712 is assigned to Iowa in United States. It serves cities and metropolitan communities including Sioux City, Council Bluffs, Storm Lake, Spencer, Le Mars, Carroll, Sioux Center, Denison, Atlantic, Orange City.

Historical Context & Area Code Overlay Information:712 serves Iowa (United States).

For local and long-distance calls within area code 712, standard 10-digit dialing (712) XXX-XXXX applies.

Who Called Me from Area Code 712?

Received an unknown call, missed call, or text scam from area code 712? Here is how to trace who is calling from 712 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 712 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 712:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 712 & Dialing Format

When placing a phone call to a number in area code 712, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (712) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 712 + 7-digit number.
  • Do I need to dial area code 712 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 712

Urban centers, census places, and communities within the +1-712 calling area

50 Major Cities Listed
City NameCountyPopulation% of 712 Pop
Sioux CityPlymouth County86,35625.4%
Council BluffsMills County62,68018.5%
Storm LakeBuena Vista County11,5903.4%
SpencerClay County11,2183.3%
Le MarsPlymouth County10,7603.2%
CarrollCarroll County10,0853.0%
Sioux CenterSioux County8,8642.6%
DenisonCrawford County8,2142.4%
AtlanticCass County6,6762.0%
Orange CitySioux County6,4681.9%
EsthervilleEmmet County5,8071.7%
SheldonO'Brien County5,5751.6%
Spirit LakeDickinson County5,5251.6%
Red OakMontgomery County5,3881.6%
Sergeant BluffWoodbury County5,3241.6%
GlenwoodMills County5,2871.6%
ClarindaPage County5,2731.6%
CherokeeCherokee County5,1221.5%
HarlanShelby County4,8591.4%
ShenandoahFremont County4,8081.4%

Counties Covered by Area Code 712

Geographic county distribution and population coverage across Iowa

County NameTotal Population% of 712 Area% of County
Plymouth County25,68429.5%100%
Mills County14,74820.0%100%
Sioux County36,7777.3%67%
Buena Vista County20,6554.0%66%
Carroll County20,4463.4%56%
Clay County16,5213.3%68%
Dickinson County18,0722.6%48%
O'Brien County14,1882.5%61%
Woodbury County106,7422.5%8%
Crawford County16,2892.4%50%
Cass County13,0052.0%51%
Shelby County11,7781.9%55%
Emmet County9,1311.7%64%
Harrison County14,5941.7%39%
Montgomery County10,0531.6%54%
Page County15,0131.6%35%
Cherokee County11,5221.5%44%
Pottawattamie County93,2701.5%6%
Fremont County6,4931.4%74%
Palo Alto County8,8921.1%41%
Ida County6,7671.0%51%
Calhoun County9,6541.0%34%
Monona County8,4920.8%33%
Osceola County6,0080.8%46%
Lyon County12,4040.8%22%
Sac County9,6140.6%21%
Audubon County5,5480.6%36%
Pocahontas County6,9220.5%26%
Taylor County5,8430.4%25%

☎️Area Code 712 Exchange Prefixes & Carriers

Showing 50 of 656 central office 3-digit prefixes and assigned telecom carriers

71% Landline23% Wireless6% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(712) 200-📞LandlineALTAALTA MUNICIPAL UTILITIES - IAN/A
(712) 201-💻VoIPUNDERWOODONVOY, LLC - IA12/01/2015
(712) 202-📞LandlineSIOUX CITYPAETEC ITEL, LLC03/07/2001
(712) 203-📱WirelessSIOUX CITYT-MOBILE USA, INC.04/09/2001
(712) 204-📱WirelessSIOUX CITYT-MOBILE USA, INC.N/A
(712) 205-📞LandlineAUDUBONWINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS07/25/2016
(712) 206-📞LandlineARMSTRONGWINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH02/01/2018
(712) 207-📞LandlineSHELBYWALNUT TELEPHONE COMPANY, INC. - IA05/25/2004
(712) 208-📱WirelessMAPLETONNEW CINGULAR WIRELESS PCS, LLC - IL03/31/2003
(712) 209-📱WirelessESTHERVLCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA10/26/2001
(712) 210-📱WirelessLIDDERDALEUNITED STATES CELLULAR - IA01/24/2001
(712) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(712) 212-📞LandlineSIOUX CITYMCIMETRO ACCESS TRANSMISSION SERVICES LLC07/14/2004
(712) 213-📞LandlineSTORM LAKELONG LINES METRO, INC. - IAN/A
(712) 214-💻VoIPASHTONONVOY, LLC - IA08/27/2018
(712) 215-📱WirelessSHENANDOAHUNITED STATES CELLULAR - IA02/21/2003
(712) 216-📱WirelessLOGANCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA02/03/2003
(712) 217-💻VoIPCARTERLAKEONVOY, LLC - IA08/29/2019
(712) 218-💻VoIPBATTLE CRKONVOY, LLC - IA08/27/2018
(712) 219-📱WirelessONAWANEW CINGULAR WIRELESS PCS, LLC - IL03/31/2003
(712) 220-📞LandlineCARROLLMCC TELEPHONY LLC02/16/2010
(712) 221-📱WirelessCHEROKEECELLCO PARTNERSHIP DBA VERIZON WIRELESS - IAN/A
(712) 222-📞LandlineSIOUX CITYLONG LINES METRO, INC. - IA03/28/2003
(712) 223-📱WirelessSIOUX CITYNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(712) 224-📞LandlineSIOUX CITYIMON COMMUNICATIONS LLCN/A
(712) 225-📞LandlineCHEROKEEQWEST CORPORATIONN/A
(712) 226-📞LandlineSIOUX CITYIMON COMMUNICATIONS LLCN/A
(712) 227-📞LandlineCRESCENTCOMCAST IP PHONE, LLCN/A
(712) 228-📞LandlineSERGENTBLFNORTHWEST IOWA TELEPHONE, LLC09/04/2002
(712) 229-📱WirelessCHEROKEECELLCO PARTNERSHIP DBA VERIZON WIRELESS - IAN/A
(712) 230-📱WirelessHOSPERSNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(712) 231-📱WirelessHOSPERSNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(712) 232-📞LandlineSPENCERAUREON COMMUNICATIONS, LLC08/02/2013
(712) 233-📞LandlineSIOUX CITYQWEST CORPORATIONN/A
(712) 234-📞LandlineSIOUX CITYQWEST CORPORATIONN/A
(712) 235-📞LandlineHARLANFARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY - IA03/20/2001
(712) 236-📞LandlineHARLANFARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY03/28/2001
(712) 237-📞LandlineSERGENTBLFNORTHWEST IOWA TELEPHONE, LLCN/A
(712) 238-📞LandlineSIOUX CITYLONG LINES METRO, INC. - IA06/28/2002
(712) 239-📞LandlineSIOUX CITYQWEST CORPORATIONN/A
(712) 240-📱WirelessSPENCERUNITED STATES CELLULAR - IAN/A
(712) 241-📞LandlineIALocal Exchange CarrierN/A
(712) 242-📞LandlineCOUNCILBLFWINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NEN/A
(712) 243-📞LandlineATLANTICQWEST CORPORATIONN/A
(712) 244-📞LandlineSIOUX CITYLONG LINES METRO, INC. - IAN/A
(712) 245-📱WirelessSIOUX CITYNEW CINGULAR WIRELESS PCS, LLC - IL02/09/2024
(712) 246-📞LandlineSHENANDOAHQWEST CORPORATIONN/A
(712) 247-📞LandlineSERGENTBLFNORTHWEST IOWA TELEPHONE, LLC07/06/2001
(712) 248-📞LandlineCARTERLAKEPAETEC ITEL, LLC04/03/2001
(712) 249-📱WirelessATLANTICCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IAN/A

Frequently Asked Questions about Area Code 712

Where is area code 712 located?

Area code 712 is located in Iowa (United States), serving cities like Sioux City, Council Bluffs, Storm Lake, Spencer, Le Mars, Carroll, Sioux Center, Denison, Atlantic, Orange City.

What timezone is area code 712?

Area code 712 operates in the Central timezone.

What state is area code 712?

Area code 712 is assigned to the state / telecom territory of Iowa.

Is area code 712 a scam or dangerous?

Area code 712 is an official geographic area code for Iowa. However, beware of robocaller spoofing.

Iowa State Area Codes

View complete directory of telephone area codes assigned to Iowa.

Explore Iowa Directory

Get a 712 Business Phone Number

How to acquire a virtual phone number or business line with area code 712 for local customer trust in Iowa.

Get 712 Business Number
🛡️ Scam & Safety Directory

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Overlay & Nearby Area Codes for Iowa

Explore neighboring telecom prefixes sharing geographical boundaries with area code 712.

319
Central
Area Code 319
Cedar Rapids, Iowa City, Waterloo, Marion, Cedar Falls, Coralville, Burlington, North Liberty, Waverly, Fort Madison
515
Central
Area Code 515
Des Moines, Ankeny, West Des Moines, Ames, Urbandale, Waukee, Johnston, Fort Dodge, Altoona, Clive
563
Central
Area Code 563
Davenport, Dubuque, Bettendorf, Clinton, Muscatine, Decorah, Eldridge, Asbury, Maquoketa, Dewitt
641
Central
Area Code 641
Marshalltown, Mason City, Ottumwa, Newton, Norwalk, Oskaloosa, Pella, Grinnell, Fairfield, Clear Lake