Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-531 A Iowa Falls IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632      
641-531 0 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-531 1 Iowa Falls IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-531 2 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-531 3 Iowa Falls IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2017-10-02   
641-531 4 Iowa Falls IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-531 5 Iowa Falls IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2018-04-02   
641-531 6 Iowa Falls IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632   2017-06-16   
641-531 7 Iowa Falls IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2018-06-15   
641-531 8 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-531 9 Iowa Falls IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2018-01-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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