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.

Switch: DLLSTX37XWZ

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-421 8 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-427 3 Crandall EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-06-28   
972-430 2 Blue Ridge TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-08-25   
972-430 8 Blue Ridge TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-05-27   
972-435 9 Maypearl TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-01-09   
972-439 5 McKinney TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-13   
972-441 2 Wilmer EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-01-13   
972-445 7 Irving EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-15   
972-445 9 Irving EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-15   
972-449 0 Palmer TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-11   
972-454 0 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-03-07   
972-454 4 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-04-07   
972-454 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-03-07   
972-460 0 Cedar Hill TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2022-10-29   
972-460 6 Cedar Hill TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-10-28   
972-465 9 Irving EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-15   
972-474 7 Combine TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-03-20   
972-478 1 Carrollton TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-24   
972-486 9 Scurry TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2020-03-08   
972-499 5 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-503 4 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-18   
972-503 6 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   
972-503 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   
972-510 5 Irving TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-512 8 Carrollton TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-10-28   
972-514 6 Irving EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-514 7 Irving EMS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-521 1 Allen EACS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-04-26   
972-521 8 Allen EACS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-521 9 Allen EACS TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-525 0 Wilmer TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-04-26   
972-525 5 Wilmer TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-05-12   
972-525 8 Wilmer TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-02-19   
972-528 0 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-528 8 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-528 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-532 0 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-532 1 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-532 3 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-532 6 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-532 7 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-532 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   
972-544 6 Ferris TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-05-01   
972-544 9 Ferris TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-06-01   
972-556 5 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-559 0 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-559 4 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
972-559 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-568 A McKinney EMS TX 6630 USA MOBILITY WIRELESS, INC. 552      
972-581 9 Dallas TX 004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-22   

<< 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 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.