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.

Fort Madison, IA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-246 A DVNPIADTGMD  221F ONVOY, LLC - IA 634      
319-246 0 DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2020-05-28   
319-246 1 DVNPIAEA8MD  751F MCC TELEPHONY OF IOWA, LLC - IA 634   2010-04-15   
319-246 2 DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2010-07-03   
319-246 3 DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2010-10-08   
319-246 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
319-246 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
319-246 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
319-246 7 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2008-02-28   
319-246 8 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
319-246 9 DVNPIAVI0MD  939H COMMIO, LLC 634   2022-11-13   
319-250 A DVNPIADTGMD  221F ONVOY, LLC - IA 634      
319-250 0 DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2014-04-17   
319-250 1 DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2014-11-30   
319-250 2 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2016-03-14   
319-250 3 DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2013-06-01   
319-250 4 DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2009-12-24   
319-250 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2017-06-22   
319-250 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-05-11   
319-250 7 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2016-03-14   
319-250 8 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2014-06-30   
319-250 9 DVNPIA80X8X  444G AUREON COMMUNICATIONS, LLC 634   2013-03-25   
319-308 A DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-308 0 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2023-06-02   
319-308 1 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-07-17   
319-308 2 DVNPIADTXTX  506J TWILIO INTERNATIONAL, INC. 634   2020-12-23   
319-308 3 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-11-28   
319-308 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-308 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-308 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-308 7 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-13   
319-308 8 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
319-308 9 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
319-316 A BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-316 0 BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-316 1 BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-316 2 DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2004-07-25   
319-316 3 DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2004-07-25   
319-316 4 DVNPIA80XSX  5562 METROPCS, INC. 634   2018-07-03   
319-316 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2018-02-26   
319-316 7 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-06   
319-316 8 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2022-09-13   
319-316 9 DVNPIAEA8MD  751F MCC TELEPHONY OF IOWA, LLC - IA 634   2006-06-28   
319-371 A DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-371 0 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-371 1 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2011-06-20   
319-371 2 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2013-11-02   
319-371 3 DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2017-02-01   
319-371 4 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
319-371 5 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      

1 2 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.