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
972-813 0 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 1 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 2 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 3 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 5 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 6 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 7 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 8 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-813 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-09-10   
972-814 A Grand Prairie EMS TX DLLTTX01HMD  6664 SPRINT SPECTRUM, L.P. 552      
972-814 0 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 1 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 2 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 3 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 4 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 5 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 6 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 7 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 8 Grand Prairie EMS TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-814 9 Grand Prairie EMS TX   6529 T-MOBILE USA, INC. 552      
972-815 A Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 0 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 1 Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-17   
972-815 2 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 3 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-815 4 Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-815 5 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-815 6 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-815 7 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-815 8 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-815 9 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-816 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-817 A Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-817 0 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 1 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 2 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 3 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 4 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 5 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 6 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 7 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 8 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 9 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-818 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 0 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 1 Dallas TX DLLSTXALDS4  624H ONVOY SPECTRUM, LLC 552   2024-01-18   
972-818 2 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-11-08   
972-818 3 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 4 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-11-08   

<< 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 Much Phone Company

Like this site? We accept donations via PayPal.