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Mason City, IA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-513 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2026-01-17   
641-513 8   068H NORTHLAND COMMUNICATIONS, INC. - IA 632   2024-05-04   
641-513 9   515J IP HORIZON LLC 632   2025-09-26   
641-530 A DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 0   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 1   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 2   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 3   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 4   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2012-10-20   
641-530 5   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-530 6   221F ONVOY, LLC - IA 632   2017-09-14   
641-530 7   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2014-05-18   
641-530 8   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2013-09-01   
641-530 9   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2015-01-29   
641-548 A DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-548 0   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-07-06   
641-548 2   221F ONVOY, LLC - IA 632   2021-04-16   
641-548 3   073H TELNYX LLC 632   2020-05-29   
641-548 4   221F ONVOY, LLC - IA 632   2019-09-20   
641-548 5   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2019-10-27   
641-548 6   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2018-08-26   
641-548 7   221F ONVOY, LLC - IA 632   2020-10-02   
641-548 8   985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-07-06   
641-548 9   6529 T-MOBILE USA, INC. 632   2018-07-05   
641-903 A DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2019-10-17   
641-903 1   6266 UNITED STATES CELLULAR - IA 632   2007-03-30   
641-903 2   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2014-10-19   
641-903 3   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2016-07-11   
641-903 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2017-09-22   
641-903 5   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2015-12-02   
641-903 6   6529 T-MOBILE USA, INC. 632   2008-04-28   
641-903 7   221F ONVOY, LLC - IA 632   2008-02-25   
641-903 8   6529 T-MOBILE USA, INC. 632   2007-04-15   
641-903 9   6529 T-MOBILE USA, INC. 632   2007-04-15   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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