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]

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-438 6 Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-438 7 Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-438 8 Austin TX AUSTTXHIDS0  9533 SOUTHWESTERN BELL 558      
512-438 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-01-29   
512-439 A Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-439 0 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-439 1 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2000-09-25   
512-439 2 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2000-08-01   
512-439 3 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2000-08-01   
512-439 4 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2004-05-15   
512-439 5 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558      
512-439 6 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2000-08-01   
512-439 7 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2000-08-01   
512-439 8 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2005-02-25   
512-439 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-01-29   
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      
512-446 0 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 1 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 2 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 3 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 4 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 5 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 6 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 7 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 8 Rockdale TX RCDLTXRDRS1  9533 SOUTHWESTERN BELL 558      
512-446 9 Rockdale TX AUSWTXGX0MD  5562 METRO PCS, INC. 558   2016-09-12   
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      
512-450 0 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-450 1 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-450 2 Austin TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558   2005-10-23   
512-450 3 Austin TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558   2005-10-23   
512-450 4 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-01-29   
512-450 5 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2005-09-23   
512-450 6 Austin TX AUSWTXSZDS1  7516 LEVEL 3 TELECOM OF TEXAS, LLC 558   2005-09-23   
512-450 7 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-450 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-01-29   
512-450 9 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 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 99 100 101 102 103 104 105 106 107 108 109 110 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.