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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
603-256 1 West Chesterfield NH MNCHNHCO42Z  122   2024-01-07   
603-301 0 Center Ossipee NH MNCHNHCO42Z  122   2016-06-24   
603-301 1 Center Ossipee NH MNCHNHCO42Z  122   2006-10-30   
603-307 1 North Conway NH MNCHNHCO42Z  122   2016-10-27   
603-317 1 Milan NH MNCHNHCO42Z  122   2024-01-01   
603-323 6 Tamworth NH MNCHNHCO42Z  122   2012-10-02   
603-338 0 Keene NH MNCHNHCO42Z  122   2015-09-14   
603-354 3 Keene NH MNCHNHCO42Z  122   2012-10-20   
603-363 3 Spofford NH MNCHNHCO42Z  122   2024-01-07   
603-367 7 Madison NH MNCHNHCO42Z  122   2012-10-02   
603-374 5 Bartlett NH MNCHNHCO42Z  122   2012-10-02   
603-375 A Ashland NH MNCHNHCO42Z  122      
603-375 4 Ashland NH MNCHNHCO42Z  122   2012-10-02   
603-383 3 Jackson NH MNCHNHCO42Z  122   2012-10-02   
603-392 2 Winchester NH MNCHNHCO42Z  122   2012-10-02   
603-399 1 Westmoreland NH MNCHNHCO42Z  122   2024-01-07   
603-452 5 Conway NH MNCHNHCO42Z  122   2006-10-30   
603-473 7 Milton Mills NH DOVRNHTHXMX  122   2012-10-02   
603-476 7 Center Sandwich NH MNCHNHCO42Z  122   2012-10-02   
603-499 8 Keene NH MNCHNHCO42Z  122   2014-11-05   
603-515 7 Wolfeboro NH DOVRNHTHXMX  122   2012-10-02   
603-544 5 Melvin Village NH DOVRNHTHXMX  122   2018-05-21   
603-563 3 Dublin NH   122   2025-04-20   
603-575 5 Littleton NH MNCHNHCO42Z  122   2012-10-02   
603-585 1 Fitzwilliam NH MNCHNHCO42Z  122   2024-01-01   
603-586 6 Jefferson NH MNCHNHCO42Z  122   2012-10-02   
603-636 5 Groveton NH MNCHNHCO42Z  122   2012-10-02   
603-638 8 Monroe NH MNCHNHCO42Z  122   2012-10-02   
603-651 1 Center Ossipee NH MNCHNHCO42Z  122   2012-10-02   
603-662 0 Conway NH MNCHNHCO42Z  122   2012-10-02   
603-720 A Troy NH MNCHNHCO42Z  122      
603-720 1 Troy NH MNCHNHCO42Z  122   2023-05-21   
603-730 5 North Conway NH MNCHNHCO42Z  122   2012-10-02   
603-733 5 North Conway NH MNCHNHCO42Z  122   2006-10-30   
603-745 7 North Woodstock NH MNCHNHCO42Z  122   2012-10-02   
603-764 6 Warren NH MNCHNHCO42Z  122   2012-10-02   
603-786 6 Rumney NH MNCHNHCO42Z  122   2012-10-02   
603-787 8 Woodsville NH MNCHNHCO42Z  122   2012-10-02   
603-788 8 Lancaster NH MNCHNHCO42Z  122   2012-10-02   
603-823 2 Franconia NH MNCHNHCO42Z  122   2012-10-02   
603-827 7 Harrisville NH MNCHNHCO42Z  122   2023-05-28   
603-837 7 Whitefield NH MNCHNHCO42Z  122   2012-10-02   
603-838 8 Lisbon NH MNCHNHCO42Z  122   2012-10-02   
603-839 A Farmington NH DOVRNHTHXMX  122      
603-839 9 Farmington NH DOVRNHTHXMX  122   2012-10-02   
603-846 8 Twin Mountain NH MNCHNHCO42Z  122   2012-10-02   
603-869 0 Bethlehem NH MNCHNHCO42Z  122   2012-10-02   
603-871 8 Sanbornville NH DOVRNHTHXMX  122   2012-10-02   
603-876 5 Marlborough NH MNCHNHCO42Z  122   2012-10-02   
603-901 1 Conway NH MNCHNHCO42Z  122   2017-09-02   

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 >>

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.