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 99 100 101 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-402 0 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 1 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 2 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 3 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 4 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 5 Dallas TX DLLSTX97KMD  156J RCLEC, INC. 552   2016-01-04   
972-402 6 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-15   
972-402 7 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 8 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-402 9 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-403 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 0 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 1 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 2 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 3 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 4 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-28   
972-403 5 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 6 Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-11-11   
972-403 7 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 8 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-403 9 Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-404 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 6 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2011-03-24   
972-404 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-404 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-405 A Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-406 A Dallas TX DLLSTXFBDS0  9533 SOUTHWESTERN BELL 552      
972-407 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-408 A Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 0 Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 1 Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 2 Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 3 Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 4 Grand Prairie TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-408 5 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2004-05-16   
972-408 6 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2004-07-05   
972-408 7 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2004-07-05   
972-408 8 Grand Prairie TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2004-07-05   
972-408 9 Grand Prairie TX   515J IP HORIZON LLC 552   2017-07-14   
972-409 A Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-410 A Lewisville TX FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-412 A Plano TX RWLTTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-413 A Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

<< 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 99 100 101 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.