Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-380 6 Estherville IA   630   2012-07-12   
712-442 6 Woodbine IA   644   2023-08-24   
712-454 A Sioux City IA SXCYIADTKMD  630      
712-454 6 Sioux City IA   630   2010-01-23   
712-539 4 Le Mars IA   630   2019-03-30   
712-581 6 Shenandoah IA   644   2017-08-17   
712-584 7 Spencer IA   630   2012-07-12   
712-631 8 Sheldon IA   630   2018-10-08   
712-642 0 Missouri Valley IA   644   2020-10-02   
712-666 3 Sioux City IA   630   2024-03-28   
712-682 4 South Bigelow IA   620   2018-10-12   
712-695 2 Clarinda IA   644   2017-03-20   
712-759 6 Spirit Lake IA   630   2012-03-12   
712-850 6 Clarinda IA   644   2017-11-10   
712-854 6 Denison IA   644   2019-09-20   
712-890 A Council Bluffs IA OMAHNEXODS0  644      
712-890 2 Council Bluffs IA   644      
712-890 3 Council Bluffs IA   644      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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