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Area code 712 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, and Shenandoah.
Area code 712 serves the state of Iowa. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 712 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. ZIP Codes Served By 712 Area Code. 51002. 51576. 51105. 51101. 51103. 50025. 51570. 51034. 51334. 51443. 51436.
NxxCityUsageCompany Name200AltaLandlineAlta Municipal Utilities - Ia201UnderwoodLandlineOnvoy, Llc - Ia202Sioux CityLandlineMcleodusa Telecommunications Services, ...203Sioux CityWirelessBrookings Municipal Utilities712 is an area code in Iowa, US, serving Sioux City and other cities and communities. Find out the location, time zone, map and list of cities and counties in the 712 area code zone.
712 – Iowa Area Codes. Number structure. List of area codes. Sort by: City. Area Code. 712-224. Sioux City. 712-225. Cherokee. 712-233. Sioux City. 712-234. Sioux City. 712-239. Sioux City. 712-243. Atlantic. 712-246. Shenandoah. 712-252. Sioux City. 712-255. Sioux City. 712-256. Council Bluffs. 712-258. Sioux City. 712-262. Spencer. 712-263.
4 days ago · WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH. Area code 712 is located in W Iowa and includes Sioux City. View the 712 area code map, major cities, location, timezone and more on TeraCodes.com.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.
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. What time zone is area code 712? The 712 area code is located in the Central timezone. The Central time zone is also known as America/Chicago.