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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-401 1 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 2 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 3 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 4 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 5 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 6 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 7 Tomball EMS TX   9533 SOUTHWESTERN BELL 560      
281-401 8 Tomball EMS TX   4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560   2003-10-22   
281-401 9 Tomball EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-01   
281-402 A La Porte TX HSTATX75DS0  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-402 0 La Porte TX   7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-402 1 La Porte TX   8958 XO TEXAS, INC. 560   2005-10-07   
281-402 2 La Porte TX   7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-402 3 La Porte TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-04-09   
281-402 4 La Porte TX   089G COMITY COMMUNICATIONS, LLC - TX 560   2013-04-08   
281-402 5 La Porte TX   516C AT&T CORP. 560   2006-06-30   
281-402 6 La Porte TX   8958 XO TEXAS, INC. 560   2008-04-18   
281-402 7 La Porte TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2008-11-03   
281-402 8 La Porte TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-01-22   
281-402 9 La Porte TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-02-24   
281-403 A Stafford TX STFRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
281-404 A Houston TX HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 0 Houston TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 1 Houston TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 2 Houston TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 3 Houston TX   7715 MATRIX TELECOM, LLC. SII TNCI - TX 560   2006-06-17   
281-404 4 Houston TX   7715 MATRIX TELECOM, LLC. SII TNCI - TX 560   2006-06-17   
281-404 5 Houston TX   4938 BROADWING COMMUNICATIONS, LLC - TX 560   2002-11-13   
281-404 6 Houston TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 7 Houston TX   7715 MATRIX TELECOM, LLC. SII TNCI - TX 560   2006-06-17   
281-404 8 Houston TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 9 Houston TX   4938 BROADWING COMMUNICATIONS, LLC - TX 560   2005-04-01   
281-405 A Houston Suburban TX HSTNTXAIDS0  9533 SOUTHWESTERN BELL 560      
281-406 A Houston Suburban TX HSTNTX01DS3  7421 AT&T LOCAL 560      
281-406 0 Houston Suburban TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 1 Houston Suburban TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 2 Houston Suburban TX   7421 AT&T LOCAL 560      
281-406 3 Houston Suburban TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-04-28   
281-406 4 Houston Suburban TX   6701 AERIAL COMMUNICATIONS 560   2014-11-24   
281-406 5 Houston Suburban TX   6701 AERIAL COMMUNICATIONS 560   2014-11-24   
281-406 6 Houston Suburban TX   6701 AERIAL COMMUNICATIONS 560   2014-11-24   
281-406 7 Houston Suburban TX   6664 SPRINT SPECTRUM L.P. 560   2006-02-13   
281-406 8 Houston Suburban TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2014-11-22   
281-406 9 Houston Suburban TX   7421 AT&T LOCAL 560      
281-407 A Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 0 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 1 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   
281-407 2 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 3 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-407 4 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-07-12   

<< 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 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.