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.

OCN: 793K TWC IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-627 3 McAllen TX HRLNTXHGXYX  568      
956-627 4 McAllen TX HRLNTXHGXYX  568      
956-627 5 McAllen TX HRLNTXHGXYX  568      
956-627 6 McAllen TX HRLNTXHGXYX  568      
956-634 A Mercedes TX HRLNTXHGXYX  568   2025-02-11   
956-636 4 Santa Rosa TX HRLNTXHGXYX  568   2007-06-13   
956-641 4 Brownsville TX HRLNTXHGXYX  568   2015-07-17   
956-647 5 Weslaco TX HRLNTXHGXYX  568   2011-01-14   
956-666 0 Pharr TX HRLNTXHGXYX  568   2018-02-26   
956-666 9 Pharr TX HRLNTXHGXYX  568   2017-11-02   
956-667 5 Brownsville TX HRLNTXHGXYX  568   2016-04-25   
956-685 1 Pharr TX HRLNTXHGXYX  568   2012-07-05   
956-690 4 Raymondville TX HRLNTXHGXYX  568   2005-09-28   
956-715 8 Pharr TX HRLNTXHGXYX  568   2016-04-18   
956-720 4 Edinburg TX HRLNTXHGXYX  568   2006-11-10   
956-731 4 McAllen TX HRLNTXHGXYX  568   2017-12-19   
956-731 5 McAllen TX HRLNTXHGXYX  568   2018-02-26   
956-731 6 McAllen TX HRLNTXHGXYX  568   2018-02-26   
956-748 5 Rio Hondo TX HRLNTXHGXYX  568   2007-05-03   
956-750 3 Zapata TX HRLNTXHGXYX  568   2008-01-24   
956-766 2 Mission TX HRLNTXHGXYX  568   2018-02-26   
956-766 6 Mission TX HRLNTXHGXYX  568   2018-12-24   
956-766 7 Mission TX HRLNTXHGXYX  568   2017-10-05   
956-772 7 Port Isabel TX HRLNTXHGXYX  568   2016-01-25   
956-800 A McAllen TX HRLNTXHGXYX  568   2025-02-11   
956-800 1 McAllen TX HRLNTXHGXYX  568   2011-04-23   
956-800 4 McAllen TX HRLNTXHGXYX  568   2011-01-09   
956-801 2 Brownsville TX HRLNTXHGXYX  568   2015-01-15   
956-801 3 Brownsville TX HRLNTXHGXYX  568   2015-02-20   
956-801 7 Brownsville TX HRLNTXHGXYX  568   2015-03-20   
956-803 A McAllen TX HRLNTXHGXYX  568   2025-02-11   
956-803 0 McAllen TX HRLNTXHGXYX  568   2015-10-11   
956-803 1 McAllen TX HRLNTXHGXYX  568   2016-03-04   
956-843 0 McAllen TX HRLNTXHGXYX  568   2014-10-31   
956-847 4 Roma TX HRLNTXHGXYX  568   2005-10-10   
956-854 A Weslaco TX HRLNTXHGXYX  568   2025-02-11   
956-854 4 Weslaco TX HRLNTXHGXYX  568   2004-10-24   
956-884 7 Pharr TX HRLNTXHGXYX  568   2014-06-01   
956-887 7 La Feria TX HRLNTXHGXYX  568   2011-01-14   
956-903 A Mercedes TX HRLNTXHGXYX  568   2025-02-11   
956-903 0 Mercedes TX HRLNTXHGXYX  568   2018-07-30   
956-903 4 Mercedes TX HRLNTXHGXYX  568   2004-11-24   
956-961 4 Pharr TX HRLNTXHGXYX  568   2007-01-19   
956-997 A Mission TX HRLNTXHGXYX  568   2025-02-11   
956-997 0 Mission TX HRLNTXHGXYX  568   2015-11-29   
970-239 6 Telluride CO GDJTCOMAZMD  656   2007-04-25   
970-251 5 Crested Butte CO GDJTCOMAZMD  656   2007-04-25   
970-707 A Gunnison CO GDJTCOMAZMD  656      
970-707 4 Gunnison CO GDJTCOMAZMD  656   2012-02-01   
972-212 4 Plano TX   552   2009-12-07   
972-217 3 De Soto (Ovilla) TX   552   2006-12-06   
972-290 0 Dallas TX   552   2009-02-27   
972-294 5 Frisco EACS TX   552   2006-12-06   
972-327 2 Terrell TX   552   2022-02-14   
972-346 7 Prosper EMS TX   552   2007-07-04   
972-373 4 Dallas TX   552   2015-01-21   
972-441 9 Wilmer EMS TX   552   2016-09-09   
972-457 0 Irving TX   552   2014-12-07   
972-514 1 Irving EMS TX   552   2002-09-10   
972-537 5 Lewisville TX   552   2011-03-21   
972-598 A Dallas TX   552      
972-598 0 Dallas TX   552   2013-02-09   
972-598 1 Dallas TX   552   2013-04-01   
972-600 8 Irving TX   552   2008-03-20   
972-600 9 Irving TX   552   2008-03-20   
972-677 7 Dallas TX   552      
972-685 0 Dallas TX   552   2014-03-04   
972-685 2 Dallas TX   552   2014-03-04   
972-685 3 Dallas TX   552   2014-03-04   
972-685 4 Dallas TX   552   2014-03-04   
972-685 5 Dallas TX   552   2014-02-24   
972-685 6 Dallas TX   552   2014-02-24   
972-685 7 Dallas TX   552   2014-03-14   
972-685 9 Dallas TX   552   2014-03-14   
972-695 6 Carrollton TX   552   2009-08-17   
972-707 0 Dallas TX   552   2012-02-16   
972-707 7 Dallas TX   552   2012-02-16   
972-707 8 Dallas TX   552   2012-02-16   
972-707 9 Dallas TX   552   2012-02-16   
972-736 0 Princeton TX   552   2018-07-13   
972-784 9 Farmersville EMS TX   552   2012-08-14   
972-787 5 Prosper EMS TX   552   2011-08-15   
972-807 2 Dallas TX   552   2011-05-23   
972-807 6 Dallas TX   552   2011-05-23   
972-807 9 Dallas TX   552   2011-05-23   
972-810 0 Carrollton TX   552   2012-02-17   
972-887 3 Irving TX   552   2007-02-21   
972-887 5 Irving TX   552   2007-10-15   
972-905 5 Plano TX   552   2011-08-15   
972-925 0 Dallas TX   552   2011-05-23   
972-925 9 Dallas TX   552   2011-05-23   
972-982 0 Dallas TX   552   2012-02-07   
972-982 2 Dallas TX   552   2012-02-07   
972-987 5 Frisco TX   552      
978-574 0 Athol (Franklin County) MA WRCSMACEX0Y  128   2010-11-01   
978-633 4 Orange MA WRCSMACEX0Y  128   2005-07-15   
978-830 A Athol MA WRCSMACEX0Y  128      
978-830 0 Athol MA WRCSMACEX0Y  128   2015-07-27   
978-830 4 Athol MA WRCSMACEX0Y  128   2010-11-14   
979-234 4 Eagle Lake TX   560   2009-11-13   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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