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.

Mason City, IA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-513 8   068H NORTHLAND COMMUNICATIONS, INC. - IA 632      
641-530 A DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 0 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 1 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 2 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 3 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 4 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 5 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 6 DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-530 7 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 8 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 9 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-548 A DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-548 0 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-548 2 DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-548 3 DESMIADTXMX  073H TELNYX LLC 632      
641-548 4 DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-548 5 DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-548 6 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-548 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-548 8 DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
641-548 9 DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 A DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 0 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-903 1 CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-903 2 DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-903 3 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-903 4 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-903 5 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-903 6 DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-903 8 DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 9 DESMIAITX6X  6529 T-MOBILE USA, INC. 632      

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.