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.

Houston, 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 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-472 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-26   
832-472 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2006-04-25   
832-474 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-474 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-07-08   
832-474 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-05-09   
832-474 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-05-09   
832-475 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-475 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-475 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-475 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-475 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-475 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
832-475 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
832-475 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
832-475 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
832-475 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-06-07   
832-476 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-477 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-12-14   
832-477 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2005-10-24   
832-483 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-483 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-485 A HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
832-487 A HSTNTXRIDS0  9533 SOUTHWESTERN BELL 560      
832-487 0 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-06-21   
832-487 1 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2006-02-26   
832-487 2 HSTNTXRIDS0  9533 SOUTHWESTERN BELL 560      
832-487 3 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-01-04   
832-487 4 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-01-04   
832-487 5 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-01-04   
832-487 6 HSTDTXBGBMD  5562 METROPCS, INC. 560   2006-01-04   
832-487 7 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2006-02-26   
832-487 8 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2006-02-26   
832-487 9 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2006-04-18   
832-488 A HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
832-488 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 1 HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
832-488 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-488 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-07-28   
832-489 A HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 0 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 1 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 2 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 3 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 4 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 5 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 6 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 7 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 8 HSTDTXBGBMD  5562 METROPCS, INC. 560      
832-489 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-491 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 0 HSTNTX01X7X  516C AT&T CORP. 560   2011-09-13   
832-491 1 HSTNTX01X7X  516C AT&T CORP. 560   2011-09-13   
832-491 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-491 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2011-08-20   
832-494 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-07-01   
832-494 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2007-03-21   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.