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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-475 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-475 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
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      
832-477 1 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 2 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 3 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-477 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-483 A   5562 METROPCS, INC. 560      
832-483 0 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 1 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 2 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 3 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 4 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 5 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 6 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 7 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 8 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-483 9   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      
832-487 1 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-487 2 HSTNTXRIDS0  9533 SOUTHWESTERN BELL 560      
832-487 3 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-487 4 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-487 5 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-487 6 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-487 7 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-487 8 HSTWTXUFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-487 9 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
832-488 A HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
832-488 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 1 HSTNTXSUDS0  9533 SOUTHWESTERN BELL 560      
832-488 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 4 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-488 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-489 A   5562 METROPCS, INC. 560      
832-489 0 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 1 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 2 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 3 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 4 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 5 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 6 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 7 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 8 HSTDTXBG5MD  5562 METROPCS, INC. 560      
832-489 9   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      
832-491 1 HSTNTX01X7X  516C AT&T CORP. 560      
832-491 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-491 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 0 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-494 1 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-494 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-494 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-494 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 5 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 6 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-494 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 A HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 0 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 1 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 2 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 3 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-495 5 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
832-495 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
832-495 9 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.