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: 793K TWC IP ENABLED SERVICES, LLC

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
917-830 0 New York City Zone 14 NY   132   2011-05-23   
917-830 1 New York City Zone 14 NY   132   2011-05-23   
917-832 6 New York City Zone 08 NY   132   2008-09-30   
917-832 7 New York City Zone 08 NY   132   2008-10-23   
917-908 A New York City Zone 09 NY NYCMNYWI0MD  132      
917-908 0 New York City Zone 09 NY   132   2018-05-03   
917-909 0 New York City Zone 06 NY   132   2013-12-06   
917-909 1 New York City Zone 06 NY   132   2013-12-06   
917-965 2 New York City Zone 01 NY   132   2011-06-11   
917-966 6 New York City Zone 06 NY   132   2016-10-02   
919-205 1 Smithfield NC   949   2013-05-21   
919-234 0 Cary NC   426   2013-05-21   
919-234 1 Cary NC   426   2013-08-01   
919-234 6 Cary NC   426   2012-03-28   
919-237 1 Durham NC   426   2007-01-05   
919-237 2 Durham NC   426   2007-01-05   
919-237 3 Durham NC   426   2007-01-05   
919-239 4 Raleigh NC   426   2008-04-08   
919-240 4 Chapel Hill NC   426   2007-01-05   
919-240 5 Chapel Hill NC   426   2007-01-19   
919-240 7 Chapel Hill NC   426   2009-09-04   
919-241 4 Hillsborough NC   426   2007-01-05   
919-243 0 Clayton NC   426   2013-05-21   
919-243 1 Clayton NC   426   2014-03-23   
919-243 2 Clayton NC   426   2015-08-03   
919-243 8 Clayton NC   426   2012-05-07   
919-245 8 Hillsborough NC   426   2013-05-21   
919-251 8 Durham NC   426   2007-09-05   
919-251 9 Durham NC   426   2007-09-05   
919-263 1 Wake Forest NC   426   2013-05-21   
919-263 8 Wake Forest NC   426   2013-05-21   
919-263 9 Wake Forest NC   426   2011-10-13   
919-267 4 Apex NC   426   2007-01-05   
919-267 5 Apex NC   426   2007-01-19   
919-267 6 Apex NC   426   2008-05-16   
919-267 9 Apex NC   426   2009-02-10   
919-275 4 Angier NC   426   2007-01-05   
919-285 2 Fuquay-Varina NC   426   2008-08-21   
919-285 3 Fuquay-Varina NC   426   2007-01-05   
919-285 4 Fuquay-Varina NC   426   2007-01-19   
919-288 1 Goldsboro NC   426   2007-01-05   
919-288 2 Goldsboro NC   426   2007-01-19   
919-289 6 Grantham NC   426   2007-05-03   
919-294 4 Durham NC   426   2007-08-22   
919-294 6 Durham NC   426   2007-08-22   
919-294 8 Durham NC   426   2008-12-29   
919-294 9 Durham NC   426   2008-12-29   
919-295 1 Knightdale NC   426   2008-02-21   
919-295 4 Knightdale NC   426   2007-01-05   
919-295 5 Knightdale NC   426   2010-04-02   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.