Area code712 is the telephone area code in the North American Numbering Plan (NANP) for the most western part of Iowa, including the cities of Spencer, Le Mars, Sioux City, Council Bluffs, Red Oak, Sheldon, Storm Lake, Carroll, Sac City, Logan, and Shenandoah. Area code 712 is located in western Iowa and covers Sioux City, Council Bluffs, and Spencer. It is the only area code that serves the area.See full list on allareacodes.comThe 712 area code is located in the Central timezone. The Central time zone is also known as America/Chicago. As of the last time this page was loaded, the current time is 7:49am.See full list on allareacodes.comCreation:Area code 712 was put into service in 1947 and was one of the original 86 area codes, and it originally served the western third of Iowa including Sioux City. It was the 1st area code in the state of Iowa. Iowa currently has 5 area codes. Middle digit:Until 1953, the middle digit was restricted to either a 0 or a 1 where a zero indicated t...See full list on allareacodes.comSources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.See full list on allareacodes.com Find 712 area code details including city, time zone, and map. Lookup area code712 phone number, name, and location. See full list on wirefly.com Browse area code 712 phone numbers, prefixes and exchanges. The 712 area code serves Sioux City, Omaha, Spencer, Harlan, Sergeant Bluff, covering 206 ZIP codes in 39 counties. See full list on whitepages.com5 days ago · 712 is an area code located in the state of Iowa, US. The largest city it serves is Sioux City. Find out where 712 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. The 712 area code is a geographic telephone area code that serves northwest Iowa, with Sioux City being the largest and most prominent city within its coverage area. About area code712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers. Find 712 area code details including city, time zone, and map. Lookup area code712 phone number, name, and location. See full list on wirefly.com Browse area code 712 phone numbers, prefixes and exchanges. The 712 area code serves Sioux City, Omaha, Spencer, Harlan, Sergeant Bluff, covering 206 ZIP codes in 39 counties. See full list on whitepages.com5 days ago · 712 is an area code located in the state of Iowa, US. The largest city it serves is Sioux City. Find out where 712 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. The 712 area code is a geographic telephone area code that serves northwest Iowa, with Sioux City being the largest and most prominent city within its coverage area. About area code712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers. Browse area code 712 phone numbers, prefixes and exchanges. The 712 area code serves Sioux City, Omaha, Spencer, Harlan, Sergeant Bluff, covering 206 ZIP codes in 39 counties. See full list on whitepages.com5 days ago · 712 is an area code located in the state of Iowa, US. The largest city it serves is Sioux City. Find out where 712 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. The 712 area code is a geographic telephone area code that serves northwest Iowa, with Sioux City being the largest and most prominent city within its coverage area. About area code712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers. 5 days ago · 712 is an area code located in the state of Iowa, US. The largest city it serves is Sioux City. Find out where 712 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. The 712 area code is a geographic telephone area code that serves northwest Iowa, with Sioux City being the largest and most prominent city within its coverage area. About area code712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers. The 712 area code is a geographic telephone area code that serves northwest Iowa, with Sioux City being the largest and most prominent city within its coverage area. About area code712: location, common spam callers, related area codes, and more. Includes 712 reverse phone lookup to identify spam callers.