Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: OMAHNENWGT1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-796 8 Council Bluffs IA 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2018-07-18   
712-828 3 Council Bluffs IA 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2018-03-09   
712-850 8 Clarinda IA 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2021-03-10   
712-939 8 Villisca IA 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2021-03-10   
712-951 A New Market IA 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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