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: DLLTTXID1MD

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-333 4 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-333 5 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-333 6 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-333 7 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-333 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-333 9 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-338 0 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-339 0 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-339 2 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2007-02-09   
972-339 8 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2005-07-17   
972-341 4 Dallas TX 5562 METROPCS, INC. 552   2011-01-17   
972-341 7 Dallas TX 5562 METROPCS, INC. 552   2010-03-01   
972-343 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-348 8 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-352 0 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-03-28   
972-352 1 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2005-07-17   
972-352 3 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-03-28   
972-352 7 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-03-28   
972-352 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-352 9 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-03-28   
972-357 0 Forney TX 6529 T-MOBILE USA, INC. 552   2012-02-04   
972-357 4 Forney TX 6529 T-MOBILE USA, INC. 552   2012-10-18   
972-357 5 Forney TX 6529 T-MOBILE USA, INC. 552   2011-04-22   
972-357 6 Forney TX 6529 T-MOBILE USA, INC. 552   2011-04-22   
972-363 3 McKinney TX 6529 T-MOBILE USA, INC. 552   2008-06-16   
972-363 4 McKinney TX 6529 T-MOBILE USA, INC. 552   2008-02-04   
972-363 5 McKinney TX 6529 T-MOBILE USA, INC. 552   2008-02-04   
972-363 6 McKinney TX 6529 T-MOBILE USA, INC. 552   2008-02-04   
972-363 7 McKinney TX 6529 T-MOBILE USA, INC. 552   2008-07-06   
972-363 9 McKinney TX 6529 T-MOBILE USA, INC. 552   2007-12-17   
972-365 A Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 0 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 1 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 2 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 3 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 4 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 5 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 6 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 7 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-365 9 Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-369 3 McKinney TX 6529 T-MOBILE USA, INC. 552   2006-03-11   
972-369 4 McKinney TX 6529 T-MOBILE USA, INC. 552   2006-03-11   
972-369 5 McKinney TX 6529 T-MOBILE USA, INC. 552   2006-03-11   
972-370 4 Frisco EACS TX 6529 T-MOBILE USA, INC. 552   2014-09-01   
972-370 6 Frisco EACS TX 5562 METROPCS, INC. 552   2009-03-05   
972-370 8 Frisco EACS TX 5562 METROPCS, INC. 552   2009-03-05   
972-371 7 Dallas TX 5562 METROPCS, INC. 552   2015-01-28   
972-371 8 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-371 9 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-375 1 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-375 2 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2006-03-11   
972-375 3 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2005-02-06   
972-375 4 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-375 5 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-375 6 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-375 7 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-375 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-381 0 Dallas TX 5562 METROPCS, INC. 552   2019-07-18   
972-388 4 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-388 6 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-391 3 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-391 9 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-400 3 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2007-08-09   
972-400 5 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2007-08-09   
972-400 6 Grand Prairie EMS TX 6529 T-MOBILE USA, INC. 552   2007-08-09   
972-404 6 Dallas TX 5562 METROPCS, INC. 552   2011-03-24   
972-408 5 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-408 6 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-408 7 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-408 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-462 4 Lewisville TX 5562 METROPCS, INC. 552   2020-01-07   
972-464 6 Frisco EACS TX 5562 METROPCS, INC. 552   2006-07-04   
972-464 7 Frisco EACS TX 5562 METROPCS, INC. 552   2006-06-16   
972-464 8 Frisco EACS TX 5562 METROPCS, INC. 552   2006-07-04   
972-464 9 Frisco EACS TX 5562 METROPCS, INC. 552   2005-12-15   
972-469 0 Frisco TX 6529 T-MOBILE USA, INC. 552   2016-08-26   
972-469 1 Frisco TX 6529 T-MOBILE USA, INC. 552   2018-01-14   
972-469 6 Frisco TX 6529 T-MOBILE USA, INC. 552   2024-05-28   
972-469 9 Frisco TX 6529 T-MOBILE USA, INC. 552   2016-08-26   
972-480 1 Dallas TX 5562 METROPCS, INC. 552   2007-07-22   
972-480 2 Dallas TX 5562 METROPCS, INC. 552   2007-07-22   
972-480 4 Dallas TX 5562 METROPCS, INC. 552   2007-07-22   
972-480 7 Dallas TX 5562 METROPCS, INC. 552   2007-07-22   
972-481 0 Dallas TX 5562 METROPCS, INC. 552   2010-03-01   
972-481 4 Dallas TX 5562 METROPCS, INC. 552   2010-03-01   
972-502 0 Dallas TX 5562 METROPCS, INC. 552   2012-02-23   
972-503 2 Dallas TX 5562 METROPCS, INC. 552   2018-05-25   
972-503 5 Dallas TX 5562 METROPCS, INC. 552   2019-07-18   
972-522 8 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-05-16   
972-522 9 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2004-07-05   
972-537 6 Lewisville TX 5562 METROPCS, INC. 552   2007-02-09   
972-537 7 Lewisville TX 5562 METROPCS, INC. 552   2007-02-09   
972-537 8 Lewisville TX 5562 METROPCS, INC. 552   2007-02-09   
972-551 9 Terrell TX 6529 T-MOBILE USA, INC. 552   2012-12-21   
972-552 0 Forney TX 6529 T-MOBILE USA, INC. 552   2012-02-04   
972-552 4 Forney TX 6529 T-MOBILE USA, INC. 552   2012-08-28   
972-589 A Grand Prairie TX 6529 T-MOBILE USA, INC. 552      
972-589 0 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2012-11-16   
972-589 1 Grand Prairie TX 6529 T-MOBILE USA, INC. 552   2012-11-16   

<< 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 >>

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.