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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-525 0 Wilmer TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-525 1 Wilmer TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-525 2 Wilmer TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-525 3 Wilmer TX WLMRTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-525 4 Wilmer TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-525 5 Wilmer TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-525 6 Wilmer TX WLMRTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-525 7 Wilmer TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-525 8 Wilmer TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-525 9 Wilmer TX DLLSTX97X1X  073H TELNYX LLC 552      
972-526 A Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 0 Plano TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-526 1 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 2 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 3 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 4 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 5 Plano TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-526 6 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 7 Plano TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-526 8 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-526 9 Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-527 A Plano TX PLANTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-528 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-528 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-528 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-528 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-528 3 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-528 4 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-528 5 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-528 6 Dallas TX DLLSTX97DS8  8833 LOGIX COMMUNICATIONS CORPORATION - TX 552      
972-528 7 Dallas TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
972-528 8 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-528 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-529 A McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 0 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 1 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 2 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 3 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 4 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 5 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 6 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 7 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-529 8 McKinney EMS TX CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-529 9 McKinney EMS TX MCKNTXLIDS0  9533 SOUTHWESTERN BELL 552      
972-530 A Plano TX GRLDTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-531 A Plano TX DLLSTXRIXPZ  7421 AT&T - LOCAL 552      
972-532 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-532 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-532 1 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-532 2 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-532 3 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-532 4 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-532 5 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-532 6 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-532 7 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-532 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-532 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-533 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 0 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 1 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 2 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 3 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 4 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 5 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 6 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 7 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 8 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-533 9 Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-534 A Dallas Fort Worth Airport TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-534 0 Dallas Fort Worth Airport TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-534 1 Dallas Fort Worth Airport TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-534 2 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 3 Dallas Fort Worth Airport TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-534 4 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 5 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 6 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 7 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 8 Dallas Fort Worth Airport TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-534 9 Dallas Fort Worth Airport TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 A Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 0 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 1 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 2 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 3 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 4 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-535 5 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-535 6 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-535 7 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-535 8 Plano TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-535 9 Plano TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 A Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 0 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 1 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 2 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 3 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552      
972-536 4 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 5 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 6 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 7 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 8 Irving TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.