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
281-904 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-904 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-904 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-904 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-905 A HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2024-02-09   
281-905 0   6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 7 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-905 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-906 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 4 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 5 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 6 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 7 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 8 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-906 9 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-908 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-908 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-914 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-914 0 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 1 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 2 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 3 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-914 5 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 6 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 7 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 8 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-914 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-928 A HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 1 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 3 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-928 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-932 A   5562 METROPCS, INC. 560      
281-932 0 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 1   6701 AERIAL COMMUNICATIONS, INC. 560      
281-932 2 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 3 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 4 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 5 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 6 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-932 7 HSTDTXBG5MD  5562 METROPCS, INC. 560      
281-932 8 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-932 9 HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
281-936 A HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
281-936 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-936 1   903C ONVOY, LLC - TX 560      
281-936 2 HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
281-936 3 HSTNTXUNDS0  9533 SOUTHWESTERN BELL 560      
281-936 4 HSTNTXUNDS0  9533 SOUTHWESTERN BELL 560      
281-936 5 HSTNTXUNDS0  9533 SOUTHWESTERN BELL 560      
281-936 6 HSTNTXUNDS0  9533 SOUTHWESTERN BELL 560      
281-936 7 HSTNTXUNDS0  9533 SOUTHWESTERN BELL 560      
281-936 8   903C ONVOY, LLC - TX 560      
281-936 9   903C ONVOY, LLC - TX 560      
281-952 A HSTXTX152MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-953 A HSTNTXSXDS1  8833 LOGIX COMMUNICATIONS CORPORATION - TX 560      
281-963 A HSTXTX152MD  6630 USA MOBILITY WIRELESS, INC. 560      
281-974 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-974 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-974 1 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-974 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-974 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-974 4 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-974 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
281-974 6 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-974 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-974 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-974 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
281-979 A HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-979 0 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-979 1 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-979 2 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      
281-979 3 HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.