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.
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Casey, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-740 A DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-740 0 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-740 1 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-740 2 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-740 5 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
641-740 7 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-746 A CASYIAXODS1  1119 CASEY MUTUAL TEL. CO. 632      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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