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.

NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-229 7 Waterloo IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2014-11-07   
319-229 8 Waterloo IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2016-06-08   
319-229 9 Waterloo IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2014-09-29   
319-230 A Waterloo IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
319-231 A Waterloo IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-232 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-233 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-234 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-235 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-236 A Waterloo IA WTRLIADTDS1  9631 QWEST CORPORATION 635      
319-237 A Burlington IA BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-237 0 Burlington IA BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-237 1 Burlington IA BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-237 2 Burlington IA   6529 T-MOBILE USA, INC. 634   2011-11-28   
319-237 3 Burlington IA DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2008-01-25   
319-237 4 Burlington IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2014-11-30   
319-237 5 Burlington IA DVNPIADTUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2015-03-11   
319-237 6 Burlington IA DVNPIADTUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2015-09-18   
319-237 7 Burlington IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-04-04   
319-237 8 Burlington IA BURLIABD2MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 634      
319-237 9 Burlington IA DVNPIADTXNX  073H TELNYX LLC 634   2020-05-25   
319-238 A Oelwein IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-238 0 Oelwein IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2014-06-30   
319-238 1 Oelwein IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2005-05-14   
319-238 2 Oelwein IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2005-04-28   
319-238 3 Oelwein IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2007-12-14   
319-238 4 Oelwein IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2019-05-11   
319-238 5 Oelwein IA CDRRIAAB6MD  353E YMAX COMMUNICATIONS CORP. - IA 635   2009-03-13   
319-238 6 Oelwein IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2010-04-01   
319-238 7 Oelwein IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2008-03-01   
319-238 8 Oelwein IA CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
319-238 9 Oelwein IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2011-02-07   
319-239 A Waterloo IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-240 A Waterloo IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-241 A Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-242 A Cedar Falls IA CDRRIAAB0MD  7421 AT&T - LOCAL 635      
319-242 0 Cedar Falls IA CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2017-07-14   
319-242 1 Cedar Falls IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2008-09-23   
319-242 2 Cedar Falls IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2009-04-04   
319-242 3 Cedar Falls IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-10-08   
319-242 4 Cedar Falls IA CDRRIAAB6MD  353E YMAX COMMUNICATIONS CORP. - IA 635   2009-03-13   
319-242 5 Cedar Falls IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-07-03   
319-242 6 Cedar Falls IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2011-06-22   
319-242 7 Cedar Falls IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2008-03-01   
319-242 8 Cedar Falls IA CDRRIAIC2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
319-242 9 Cedar Falls IA CDRRIAAB0MD  7421 AT&T - LOCAL 635      
319-243 A Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-243 0 Cedar Falls IA CDRRIATSCM0  6266 UNITED STATES CELLULAR - IA 635   2014-02-27   
319-243 1 Cedar Falls IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-243 2 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.