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.

OCN: 004F BANDWIDTH.COM CLEC, LLC - 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-398 3 Raymondville TX HRLNTXHGMMD  568   2013-06-01   
956-398 4 Raymondville TX HRLNTXHGMMD  568   2015-10-11   
956-404 A Brownsville TX HRLNTXHGMMD  568      
956-404 0 Brownsville TX HRLNTXHGMMD  568   2012-11-24   
956-406 A Harlingen TX HRLNTXHGMMD  568   2024-12-30   
956-406 0 Harlingen TX HRLNTXHGMMD  568   2021-11-25   
956-406 1 Harlingen TX   568   2026-06-07   
956-406 2 Harlingen TX HRLNTXHGMMD  568   2022-10-23   
956-406 3 Harlingen TX HRLNTXHGMMD  568   2021-08-23   
956-406 5 Harlingen TX HRLNTXHGMMD  568   2021-08-23   
956-406 7 Harlingen TX HRLNTXHGMMD  568   2021-08-23   
956-406 9 Harlingen TX HRLNTXHGMMD  568   2022-10-23   
956-410 0 Los Fresnos TX HRLNTXHGMMD  568   2014-05-16   
956-410 1 Los Fresnos TX HRLNTXHGMMD  568   2014-05-16   
956-410 2 Los Fresnos TX HRLNTXHGMMD  568   2015-09-11   
956-410 3 Los Fresnos TX HRLNTXHGMMD  568   2015-09-11   
956-410 5 Los Fresnos TX HRLNTXHGMMD  568   2020-08-13   
956-410 6 Los Fresnos TX HRLNTXHGMMD  568   2016-08-26   
956-413 6 Laredo TX SNANTXCA34Z  566   2014-05-16   
956-413 7 Laredo TX SNANTXCA34Z  566   2014-05-16   
956-413 8 Laredo TX SNANTXCA34Z  566   2014-05-16   
956-415 A Laredo TX SNANTXCA34Z  566      
956-415 0 Laredo TX SNANTXCA34Z  566   2013-07-19   
956-416 5 Rio Grande City TX HRLNTXHGMMD  568   2015-10-11   
956-420 3 Donna TX HRLNTXHGMMD  568   2018-07-08   
956-420 4 Donna TX HRLNTXHGMMD  568   2018-05-17   
956-420 9 Donna TX HRLNTXHGMMD  568   2020-11-14   
956-422 3 Roma TX HRLNTXHGMMD  568   2014-05-16   
956-426 1 Port Isabel TX HRLNTXHGMMD  568   2017-10-16   
956-426 8 Port Isabel TX HRLNTXHGMMD  568   2020-08-13   
956-433 2 Port Isabel TX HRLNTXHGMMD  568   2014-05-16   
956-433 3 Port Isabel TX HRLNTXHGMMD  568   2009-02-13   
956-434 0 Los Fresnos TX HRLNTXHGMMD  568   2012-11-19   
956-434 4 Los Fresnos TX HRLNTXHGMMD  568   2013-04-26   
956-435 A Brownsville TX HRLNTXHGMMD  568      
956-435 0 Brownsville TX HRLNTXHGMMD  568   2014-04-27   
956-443 3 Brownsville TX HRLNTXHGMMD  568   2014-10-23   
956-462 0 Laredo TX SNANTXCA34Z  566   2010-10-29   
956-462 1 Laredo TX SNANTXCA34Z  566   2010-10-29   
956-462 2 Laredo TX SNANTXCA34Z  566   2010-10-29   
956-489 5 Laredo TX SNANTXCA34Z  566   2011-02-25   
956-502 0 Pharr TX HRLNTXHGMMD  568   2009-02-13   
956-503 6 Donna TX HRLNTXHGMMD  568   2015-02-14   
956-507 0 Harlingen TX HRLNTXHGMMD  568   2009-02-13   
956-507 1 Harlingen TX HRLNTXHGMMD  568   2024-09-16   
956-507 2 Harlingen TX HRLNTXHGMMD  568   2024-09-16   
956-508 2 Laredo TX SNANTXCA34Z  566   2010-03-12   
956-508 3 Laredo TX SNANTXCA34Z  566   2010-03-12   
956-508 8 Laredo TX SNANTXCA34Z  566   2013-06-14   
956-513 A Edinburg TX HRLNTXHGMMD  568      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.