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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

<< 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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-277 3 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-277 4 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-277 5 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-277 6 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-277 7 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2012-02-23   
972-277 8 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-277 9 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-278 A Plano TX GRLDTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-279 A Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-280 A Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 0 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 1 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 2 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 3 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 4 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 5 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 6 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 7 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-17   
972-280 8 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-280 9 Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-281 A Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 0 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 1 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 2 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 3 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 4 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 5 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 6 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 7 Irving TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-09-27   
972-281 8 Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-281 9 Irving TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-04-05   
972-282 A Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-282 0 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 1 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-282 2 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 3 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 4 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 5 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 6 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 7 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-282 8 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-282 9 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2018-01-08   
972-283 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-284 A Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-284 0 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2007-07-17   
972-284 1 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2007-01-03   
972-284 2 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-284 3 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-284 4 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-284 5 Dallas TX DLLSTXHMDS0  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552   2011-02-09   

<< 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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 >>

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.