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.

NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-500 A Iowa Falls IA DESMIADTXQX  197D VONAGE AMERICA LLC 632      
641-500 0 Iowa Falls IA DESMIADTXMX  073H TELNYX LLC 632      
641-500 2 Iowa Falls IA DESMIADTXQX  197D VONAGE AMERICA LLC 632      
641-500 3 Iowa Falls IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-500 4 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-500 5 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-500 6 Iowa Falls IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-500 7 Iowa Falls IA DESMIADTXMX  073H TELNYX LLC 632      
641-500 8 Iowa Falls IA   145J TERRA NOVA TELECOM INC. 632      
641-500 9 Iowa Falls IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.