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: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-503 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-504 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-505 A Houston TX HSTNTX01X7X  516C AT&T CORP. 560      
713-506 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-507 A Houston TX HSTNTXCLDS0  9533 SOUTHWESTERN BELL 560      
713-508 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-509 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-510 A Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
713-512 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-513 A Houston TX HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-514 A Houston TX HSTNTXWADS0  9533 SOUTHWESTERN BELL 560      
713-515 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-516 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-517 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-518 A Houston TX HSTNTX279MD  7399 WESTEL, INC. - TX 560      
713-519 A Houston Suburban TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
713-520 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-521 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-522 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-523 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-524 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-525 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-526 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-527 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-528 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-529 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-530 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-531 A Houston Suburban TX HSTNTXALDS0  9533 SOUTHWESTERN BELL 560      
713-532 A Houston TX HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
713-533 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-534 A Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-535 A Houston TX HSTNTXJADS0  9533 SOUTHWESTERN BELL 560      
713-536 A Houston TX HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
713-537 A Houston TX HSTNTXCLDS2  9533 SOUTHWESTERN BELL 560      
713-538 A Houston Suburban TX HSTNTXFADS0  9533 SOUTHWESTERN BELL 560      
713-539 A Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-540 A Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-541 A Houston TX HSTNTXPRDS0  9533 SOUTHWESTERN BELL 560      
713-542 A Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
713-543 A Houston TX HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-544 A Houston TX HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-545 A Houston TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
713-546 A Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-547 A Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-548 A Houston TX HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-549 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-550 A Houston TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
713-551 A Houston TX HSTNTXPADS0  9533 SOUTHWESTERN BELL 560      
713-552 A Houston TX HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-553 A Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-554 A Houston TX HSTWTXBIDS0  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 560      
713-556 A Houston TX HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      
713-557 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-558 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-559 A Houston TX HSTWTXBIDS0  7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX 560      
713-560 A Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-561 A Houston TX HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-562 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-563 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-564 A Seabrook TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-565 A Huffman TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560      
713-566 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-567 A Houston TX HSTXTXSMRS0  9533 SOUTHWESTERN BELL 560      
713-568 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
713-569 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-570 A Houston Suburban TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-571 A Houston TX HSTNTXCLDS2  9533 SOUTHWESTERN BELL 560      
713-572 A Houston TX HSTNTXNADS0  9533 SOUTHWESTERN BELL 560      
713-573 A Houston TX HSTNTXHUDS0  9533 SOUTHWESTERN BELL 560      
713-574 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
713-575 A Houston Suburban TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-576 A Houston TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2024-12-12   
713-577 A Houston TX HSTNTX01DS2  7421 AT&T - LOCAL 560      
713-578 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-579 A Houston TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-580 A Houston TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-581 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-582 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-583 A Houston TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-584 A Houston TX HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-585 A Houston TX HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-586 A Houston TX HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      
713-587 A Houston TX HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
713-588 A Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-589 A Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-590 A Houston TX HSTNTXPB6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 560      
713-591 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-592 A Houston TX HSTNTXMODS0  9533 SOUTHWESTERN BELL 560      
713-593 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-594 A Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-595 A Houston TX HSTNTXPB6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 560      
713-596 A Houston TX HSTNTXPRDS0  9533 SOUTHWESTERN BELL 560      
713-597 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
713-598 A Houston TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-599 A Houston TX HSTNTXNADS1  9533 SOUTHWESTERN BELL 560      
713-600 A Houston TX   903C ONVOY, LLC - TX 560      
713-601 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-602 A Houston TX HSTNTXOVDS0  9533 SOUTHWESTERN BELL 560      
713-603 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      
713-604 A Houston TX SGLDTXAQ0MD  6630 USA MOBILITY WIRELESS, INC. 560      

<< 1 2 3 4 5 6 7 8 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.