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
281-601 0 Porter TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-601 1 Porter TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-09-11   
281-601 2 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-01-22   
281-601 3 Porter TX   7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-601 4 Porter TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-04-28   
281-601 5 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2009-07-24   
281-601 6 Porter TX   318C CEBRIDGE TELECOM TX, L.P. - TX 560   2007-05-11   
281-601 7 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2010-01-22   
281-601 8 Porter TX   318C CEBRIDGE TELECOM TX, L.P. - TX 560   2014-04-11   
281-601 9 Porter TX   997G LOCAL ACCESS LLC - TX 560   2016-04-01   
281-602 A Spring TX HSTNTX93X0X  8489 GLOBAL CROSSING LOCAL SERVICES, INC.-TX 560      
281-602 0 Spring TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 1 Spring TX   8489 GLOBAL CROSSING LOCAL SERVICES, INC.-TX 560      
281-602 2 Spring TX   8489 GLOBAL CROSSING LOCAL SERVICES, INC.-TX 560      
281-602 3 Spring TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 4 Spring TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 5 Spring TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 6 Spring TX   8489 GLOBAL CROSSING LOCAL SERVICES, INC.-TX 560      
281-602 7 Spring TX   8833 LOGIX COMMUNICATIONS CORPORATION - TX 560   2004-05-21   
281-602 8 Spring TX   903C ONVOY, LLC - TX 560   2008-02-02   
281-602 9 Spring TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2008-05-10   
281-603 A Kemah TX   903C ONVOY, LLC - TX 560      
281-603 0 Kemah TX   903C ONVOY, LLC - TX 560   2015-07-31   
281-603 1 Kemah TX   903C ONVOY, LLC - TX 560   2012-11-12   
281-603 2 Kemah TX   903C ONVOY, LLC - TX 560   2012-11-12   
281-603 3 Kemah TX   903C ONVOY, LLC - TX 560   2012-11-12   
281-603 4 Kemah TX   903C ONVOY, LLC - TX 560   2012-11-12   
281-603 5 Kemah TX   903C ONVOY, LLC - TX 560   2012-11-12   
281-603 6 Kemah TX   903C ONVOY, LLC - TX 560   2015-07-31   
281-603 7 Kemah TX   903C ONVOY, LLC - TX 560   2015-07-31   
281-603 8 Kemah TX   903C ONVOY, LLC - TX 560   2015-07-31   
281-603 9 Kemah TX   903C ONVOY, LLC - TX 560   2019-05-24   
281-604 A Houston TX HSTNTXCLDS0  9533 SOUTHWESTERN BELL 560      
281-605 A Houston TX HSNOTX08CM0  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-07-30   
281-605 0 Houston TX   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 560   2007-07-01   
281-605 1 Houston TX   8958 XO TEXAS, INC. 560   2006-09-22   
281-605 2 Houston TX   8958 XO TEXAS, INC. 560   2006-09-19   
281-605 3 Houston TX   8958 XO TEXAS, INC. 560   2006-09-19   
281-605 4 Houston TX   8958 XO TEXAS, INC. 560   2006-09-19   
281-605 5 Houston TX   8958 XO TEXAS, INC. 560   2006-09-22   
281-605 6 Houston TX   8958 XO TEXAS, INC. 560   2006-09-22   
281-605 7 Houston TX   8958 XO TEXAS, INC. 560   2006-09-22   
281-605 8 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-17   
281-605 9 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2006-09-17   
281-606 A Houston Suburban TX HSTNTXJACA0  2152 FUSION COMMUNICATIONS, LLC 560      
281-606 0 Houston Suburban TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2009-06-21   
281-606 1 Houston Suburban TX   903C ONVOY, LLC - TX 560   2007-06-16   
281-606 2 Houston Suburban TX   903C ONVOY, LLC - TX 560   2007-06-16   
281-606 3 Houston Suburban TX   903C ONVOY, LLC - TX 560   2009-02-04   
281-606 4 Houston Suburban TX   7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560   2011-03-01   

<< 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: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.