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: 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
469-390 5 Lewisville TX   552   2019-04-15   
469-390 6 Lewisville TX   552   2019-04-15   
469-391 7 Dallas TX   552   2018-01-08   
469-393 6 Allen TX   552   2018-11-26   
469-408 1 McKinney TX   552   2013-03-04   
469-443 A Plano TX DLLSTXTLDS7  552      
469-443 1 Plano TX   552      
469-443 3 Plano TX   552   2002-10-27   
469-443 7 Plano TX   552      
469-443 9 Plano TX   552      
469-447 3 Crandall TX   552   2006-03-23   
469-451 4 Lewisville TX   552   2016-09-19   
469-455 8 Lewisville TX   552   2017-12-11   
469-458 8 Dallas TX   552   2013-06-03   
469-469 2 Frisco TX   552   2019-11-04   
469-469 6 Frisco TX   552   2019-12-02   
469-472 4 Irving TX   552   2017-12-11   
469-474 2 Terrell TX   552   2006-03-23   
469-485 A Farmersville TX   552   2018-07-16   
469-485 6 Farmersville TX   552   2018-07-16   
469-495 A Frisco TX   552   2018-09-21   
469-495 0 Frisco TX   552   2018-09-21   
469-495 1 Frisco TX   552   2018-09-21   
469-495 2 Frisco TX   552   2018-09-21   
469-495 3 Frisco TX   552   2018-09-21   
469-495 4 Frisco TX   552   2018-09-21   
469-495 5 Frisco TX   552   2018-09-21   
469-495 6 Frisco TX   552   2018-09-21   
469-495 7 Frisco TX   552   2018-09-21   
469-495 8 Frisco TX   552   2018-09-21   
469-495 9 Frisco TX   552   2018-09-21   
469-501 3 Dallas TX   552   2019-02-05   
469-501 4 Dallas TX   552   2019-02-05   
469-513 3 Dallas TX   552   2013-06-20   
469-525 A McKinney EMS TX DLLSTXTLDS7  552      
469-525 4 McKinney EMS TX   552      
469-526 A Cedar Hill EMS TX DLLSTXTLDS8  552      
469-526 1 Cedar Hill EMS TX   552      
469-528 A Lewisville EMS TX DLLSTXTLDS7  552      
469-528 2 Lewisville EMS TX   552      
469-528 3 Lewisville EMS TX   552      
469-528 4 Lewisville EMS TX   552      
469-547 A Dallas TX DLLSTXTLDS8  552      
469-547 0 Dallas TX   552      
469-547 3 Dallas TX   552      
469-547 4 Dallas TX   552      
469-547 8 Dallas TX   552      
469-547 9 Dallas TX   552      
469-550 6 Waxahachie TX   552   2019-02-25   
469-550 7 Waxahachie TX   552   2019-02-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.