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: 210 [Rate centres in NPA 210] [Dial plan for NPA 210]

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
210-556 A San Antonio TX SNARTX91DS0  8958 XO TEXAS, INC. 566      
210-557 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-558 A San Antonio TX SNANTXBADS0  9533 SOUTHWESTERN BELL 566      
210-559 A San Antonio TX   5562 METROPCS, INC. 566      
210-560 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-561 A San Antonio TX SNANTXBADS0  9533 SOUTHWESTERN BELL 566      
210-562 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-563 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-564 A San Antonio TX SNANTXFRDS0  9533 SOUTHWESTERN BELL 566      
210-565 A San Antonio TX SNANTXUCDS0  9533 SOUTHWESTERN BELL 566      
210-566 A San Antonio TX SNANTXUCDS0  9533 SOUTHWESTERN BELL 566      
210-567 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-568 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-569 A San Antonio TX SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
210-570 A San Antonio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
210-571 A San Antonio TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
210-572 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-573 A San Antonio TX   6529 T-MOBILE USA, INC. 566      
210-574 A San Antonio TX SNANTX91X2Y  5562 METROPCS, INC. 566      
210-575 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-576 A San Antonio TX SNANTX91XMY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566      
210-577 A San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566      
210-578 A San Antonio TX SNANTXCA50Z  6630 USA MOBILITY WIRELESS, INC. 566      
210-579 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-580 A San Antonio TX SNANTXEW3MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 566      
210-581 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-582 A San Antonio TX SNANTX91DS1  8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-583 A San Antonio TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
210-584 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-585 A San Antonio TX SNANTXPEDS0  9533 SOUTHWESTERN BELL 566      
210-586 A San Antonio TX SNANTXCUDS0  9533 SOUTHWESTERN BELL 566      
210-587 A San Antonio TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
210-588 A San Antonio TX SNANTXCADS2  9533 SOUTHWESTERN BELL 566      
210-589 A San Antonio TX SNANTX91SMD  6529 T-MOBILE USA, INC. 566      
210-590 A San Antonio TX SNANTXFRDS0  9533 SOUTHWESTERN BELL 566      
210-591 A San Antonio TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
210-592 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-593 A San Antonio TX SNANTXMCRS0  9533 SOUTHWESTERN BELL 566      
210-594 A San Antonio TX   903C ONVOY, LLC - TX 566   2024-05-04   
210-595 A San Antonio TX SNANTXMCDS0  9533 SOUTHWESTERN BELL 566      
210-596 A San Antonio TX SNANTXCUDS0  9533 SOUTHWESTERN BELL 566      
210-597 A San Antonio TX SNANTXCA41Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
210-598 A San Antonio TX SNANTXCA44Z  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566      
210-599 A San Antonio TX SNANTXFRDS0  9533 SOUTHWESTERN BELL 566      
210-600 A San Antonio TX SNANTXDIRMD  903C ONVOY, LLC - TX 566      
210-601 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-602 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
210-603 A San Antonio TX SNANTXCA50Z  6630 USA MOBILITY WIRELESS, INC. 566      
210-604 A San Antonio TX SNANTXCA50Z  6630 USA MOBILITY WIRELESS, INC. 566      
210-605 A San Antonio TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      

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

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.