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.

San Antonio, TX

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
210-424 9 SNANTXEW0MD  829J PAETEC ITEL, LLC 566      
210-425 A SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-425 0 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 1 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 2 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 3 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 4 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 5 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 6 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 7 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 8 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-425 9 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-11   
210-426 A SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-426 0 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-11-15   
210-426 1 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-11-25   
210-426 2 SNANTX91X7Y  5562 METROPCS, INC. 566   2007-11-12   
210-426 3 SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2007-10-03   
210-426 4 SNANTX91X7Y  5562 METROPCS, INC. 566   2007-11-12   
210-426 5 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-09-25   
210-426 6 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-10-10   
210-426 7 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-09-01   
210-426 8 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-09-12   
210-426 9 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-09-30   
210-427 A SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-427 0 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 1 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 2 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 3 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 4 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 5 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 6 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 7 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 8 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-427 9 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2010-05-01   
210-428 A SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-428 0 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2009-11-24   
210-428 1 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-01-10   
210-428 2 SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2009-12-14   
210-428 3 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-01-17   
210-428 4 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-02-13   
210-428 5 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-02-13   
210-428 6 SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2010-03-12   
210-428 7 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-05-17   
210-428 8 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2010-05-17   
210-428 9 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2009-11-13   
210-429 A SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-429 0 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 1 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 2 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 3 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 4 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 5 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 6 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2009-12-28   
210-429 7 SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2010-06-17   
210-429 8 SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2010-06-17   
210-429 9 SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2010-06-17   
210-430 A SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-430 0 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 1 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 2 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 3 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 4 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 5 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 6 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 7 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 8 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-430 9 SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-04-06   
210-431 A SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 A SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 0 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 1 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 2 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 3 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 4 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 5 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 6 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 7 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 8 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-432 9 SNANTX91X7Y  5562 METROPCS, INC. 566   2017-02-01   
210-433 A SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 A SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 0 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 1 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 2 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 3 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 4 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-02-15   
210-434 6 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 7 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 8 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-434 9 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 A SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 0 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 1 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 2 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 3 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 4 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 5 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      
210-435 6 SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566   2021-12-19   
210-435 7 SNANTXGEDS0  9533 SOUTHWESTERN BELL 566      

<< 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 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.