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: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-404 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-405 A Kyle PPCP TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-406 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-407 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-408 A San Marcos TX SMRCTXXADS0  2140 CENTURYTEL OF SAN MARCOS, INC. DBA CENTURYLINK 558      
512-409 A Bastrop TX   508J CENTURYLINK COMMUNICATIONS LLC 558      
512-410 A Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-412 A Bastrop TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-413 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-414 A Austin TX AUSTTXGRDS5  9533 SOUTHWESTERN BELL 558      
512-415 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-416 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-417 A Austin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-418 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-419 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-420 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-421 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-422 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-423 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-424 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-425 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-426 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-427 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-428 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-429 A Rockdale TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
512-430 A Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-431 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-432 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-433 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-434 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-435 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-436 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-437 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-438 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-439 A Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-440 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-441 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-442 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-443 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-444 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-445 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-446 A Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-447 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-448 A Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-449 A Kyle PPCP TX KYLETXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-450 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-451 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-452 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-453 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-454 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.