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.

Waterloo, IA

<< 1 2 3 4 5 6

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-610 3 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-610 4 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-610 5 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
319-610 6 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2003-12-27   
319-610 7 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2005-08-07   
319-610 8 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2006-08-20   
319-610 9 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2006-11-09   
319-830 A CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 0 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 1 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 2 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 3 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 4 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 5 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 6 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 7 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-830 8 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2006-02-05   
319-830 9 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-833 A WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-874 A WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-883 A CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-883 0 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2009-05-23   
319-883 1 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-07-10   
319-883 2 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2010-03-30   
319-883 3 CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2011-07-07   
319-883 4 CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-10-08   
319-883 5 CDRRIAAXUMD  5562 METROPCS, INC. 635   2010-09-23   
319-883 6 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2011-06-12   
319-883 7 CDRRIAAXUMD  5562 METROPCS, INC. 635   2011-03-15   
319-883 8 CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
319-883 9 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-03-07   
319-888 A CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
319-888 0 CDRRIAAXUMD  5562 METROPCS, INC. 635   2018-06-29   
319-888 1 CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2017-12-31   
319-888 2 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2018-04-09   
319-888 3 CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2018-01-12   
319-888 4 CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2017-06-28   
319-888 5 WTRLIA767MD  6529 T-MOBILE USA, INC. 635   2018-04-09   
319-888 6 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-03-14   
319-888 7 CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-16   
319-888 8 CDRRIADTKMD  221F ONVOY, LLC - IA 635   2017-10-08   
319-888 9 CDRRIADTUMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2019-04-16   
319-939 A CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-961 A WTRLIA767MD  6529 T-MOBILE USA, INC. 635      

<< 1 2 3 4 5 6

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.