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: 903C ONVOY, 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
945-910 2 Dallas TX DLLSTXALDS4  552   2021-10-23   
945-910 3 Dallas TX DLLSTXALDS4  552   2021-10-23   
945-910 4 Dallas TX DLLSTXALDS4  552   2021-10-23   
945-910 5 Dallas TX DLLSTXALDS4  552   2021-10-23   
945-999 0 Bristol TX DLLSTXALDS4  552   2021-01-31   
945-999 1 Bristol TX DLLSTXALDS4  552   2021-01-31   
956-247 4 San Benito TX HRLNTXHGX1X  568   2017-05-03   
956-253 A Zapata TX HRLNTXHGX1X  568      
956-265 3 Zapata TX HRLNTXHGX1X  568   2017-05-19   
956-269 9 Laredo TX SNANTXDIRMD  566   2013-11-12   
956-275 A Harlingen TX HRLNTXHGX1X  568      
956-275 0 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 1 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 2 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 3 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 4 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 5 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 6 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 7 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-275 8 Harlingen TX HRLNTXHGX1X  568   2017-05-07   
956-275 9 Harlingen TX HRLNTXHGX1X  568   2017-05-08   
956-276 1 San Benito TX HRLNTXHGX1X  568   2021-02-03   
956-276 6 San Benito TX HRLNTXHGX1X  568   2021-02-03   
956-277 9 La Feria TX HRLNTXHGX1X  568   2017-05-02   
956-290 8 Laredo TX SNANTXDIRMD  566   2011-11-22   
956-297 0 Roma TX HRLNTXHGX1X  568   2017-06-06   
956-297 3 Roma TX HRLNTXHGX1X  568   2020-08-24   
956-297 4 Roma TX HRLNTXHGX1X  568   2020-08-24   
956-300 A Harlingen TX HRLNTXHGX1X  568      
956-302 A Zapata TX HRLNTXHGX1X  568      
956-303 A Los Fresnos TX HRLNTXHGX1X  568      
956-304 A Raymondville TX HRLNTXHGX1X  568      
956-305 A Edinburg TX HRLNTXHGX1X  568      
956-306 A Edcouch TX HRLNTXHGX1X  568      
956-338 4 Brownsville TX HRLNTXHGX1X  568   2019-02-18   
956-338 5 Brownsville TX HRLNTXHGX1X  568   2019-02-18   
956-348 0 Edinburg TX HRLNTXHGX1X  568   2017-05-03   
956-363 4 Weslaco TX HRLNTXHGX1X  568   2020-07-07   
956-368 A Harlingen TX HRLNTXHGX1X  568      
956-368 1 Harlingen TX HRLNTXHGX1X  568   2020-01-27   
956-368 2 Harlingen TX HRLNTXHGX1X  568   2020-01-27   
956-368 7 Harlingen TX HRLNTXHGX1X  568   2020-01-27   
956-368 8 Harlingen TX HRLNTXHGX1X  568   2019-04-08   
956-368 9 Harlingen TX HRLNTXHGX1X  568   2019-04-08   
956-370 1 Rio Grande City TX HRLNTXHGX1X  568   2017-05-03   
956-374 2 Los Fresnos TX HRLNTXHGX1X  568   2017-06-02   
956-382 5 Brownsville TX HRLNTXHGX1X  568   2020-01-13   
956-382 6 Brownsville TX HRLNTXHGX1X  568   2020-01-13   
956-382 7 Brownsville TX HRLNTXHGX1X  568   2020-01-13   
956-395 1 Rio Hondo TX HRLNTXHGX1X  568   2017-05-03   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.