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.

Maquoketa, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-521 A DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634      
563-521 0 DVNPIADTXNX  073H TELNYX LLC 634   2020-05-28   
563-521 1 DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   
563-521 2 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-07-17   
563-521 3 DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   
563-521 4 DVNPIA80XPX  5562 METROPCS, INC. 634   2018-08-03   
563-521 5 DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   
563-521 6 DVNPIAEAEMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 634   2019-04-18   
563-521 7 DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-11-17   
563-521 8 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-11-03   
563-521 9 DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-11-03   
563-652 A MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 0 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 1 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 2 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 3 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 4 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 5 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 6 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 7 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-652 8 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2016-04-15   
563-652 9 MQKTIACORS6  9631 QWEST CORPORATION 634      
563-661 A DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-661 0 DVNPIAVI0MD  939H COMMIO, LLC 634   2022-11-19   
563-661 2 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 3 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-661 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-19   
563-661 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2019-09-19   
563-661 8 MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-24   
563-661 9 DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2024-07-15   
563-748 A DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634      
563-748 0 DVNPIAEA8MD  751F MCC TELEPHONY OF IOWA, LLC - IA 634   2010-04-15   
563-748 1 DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2010-04-02   
563-748 2 DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2012-01-12   
563-748 3 DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2012-01-02   
563-748 4 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
563-748 5 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2012-12-13   
563-748 6 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-08   
563-748 7 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2008-02-28   
563-748 8 DVNPIA80X8X  444G AUREON COMMUNICATIONS, LLC 634   2013-10-01   
563-748 9 DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.