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Sioux City, Iowa Area Code |
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Sioux City, IA Area Code is 712 |
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Sioux City, IA is currently using only one area code which is area code 712. In addition to Sioux City, area
code 712 serves the major cities of Council Bluffs, Le Mars, Spencer, and Storm Lake. Area code 712 serves all of western Iowa and was one of three original area codes assigned to Iowa in 1947, including
Sioux City, IA. Sioux City, Iowa does not utilize any area code overlays. |
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Iowa Area Codes |
319, 515, 563,
641, 712 |
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