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.

Region: TN

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-414 1 Chattanooga TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2011-06-10   
423-414 2 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2012-03-22   
423-414 3 Chattanooga TN   7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472   2011-01-28   
423-414 4 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2011-10-13   
423-414 5 Chattanooga TN   5562 METROPCS, INC. 472   2011-03-25   
423-414 6 Chattanooga TN   5562 METROPCS, INC. 472   2011-03-25   
423-414 7 Chattanooga TN   5562 METROPCS, INC. 472   2011-03-25   
423-414 8 Chattanooga TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2011-08-06   
423-414 9 Chattanooga TN   271E RTC SOLUTIONS, INC. - GA 472   2012-04-14   
423-415 A Newport TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-415 0 Newport TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2011-03-19   
423-415 1 Newport TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2010-09-06   
423-415 2 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2011-01-19   
423-415 3 Newport TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2013-05-15   
423-415 4 Newport TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2011-07-01   
423-415 5 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2013-01-25   
423-415 6 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2016-11-07   
423-415 7 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2025-02-07   
423-415 8 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2013-10-05   
423-415 9 Newport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2010-05-08   
423-416 A Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-417 A Chattanooga TN CHTGTN12X8X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-417 0 Chattanooga TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2017-10-16   
423-417 1 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2018-10-19   
423-417 2 Chattanooga TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2017-10-08   
423-417 3 Chattanooga TN   7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472   2017-10-07   
423-417 4 Chattanooga TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-04-01   
423-417 5 Chattanooga TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-04-01   
423-417 6 Chattanooga TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-04-01   
423-417 7 Chattanooga TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-05-08   
423-417 8 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2023-01-07   
423-417 9 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2023-01-07   
423-418 A Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 0 Midway (Sullivan) TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 1 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2020-06-18   
423-418 2 Midway (Sullivan) TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 3 Midway (Sullivan) TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 4 Midway (Sullivan) TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 5 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2018-09-13   
423-418 6 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2018-09-13   
423-418 7 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2020-06-18   
423-418 8 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2019-06-06   
423-418 9 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2019-06-06   
423-419 A Cumberland Gap TN LXTNKY24X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466      
423-419 0 Cumberland Gap TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466      
423-419 1 Cumberland Gap TN   525E ONVOY, LLC - TN 466   2023-09-09   
423-419 2 Cumberland Gap TN   5562 METROPCS, INC. 466   2021-05-07   
423-419 3 Cumberland Gap TN   525E ONVOY, LLC - TN 466   2022-09-29   
423-419 4 Cumberland Gap TN   525E ONVOY, LLC - TN 466   2021-02-25   
423-419 5 Cumberland Gap TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 466   2014-04-21   
423-419 6 Cumberland Gap TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 466   2020-04-27   
423-419 7 Cumberland Gap TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466   2024-01-14   
423-419 8 Cumberland Gap TN   073H TELNYX LLC 466   2021-01-23   
423-419 9 Cumberland Gap TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466      
423-420 A Madisonville TN MDVITNMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 0 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 1 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 2 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 3 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 4 Madisonville TN   525E ONVOY, LLC - TN 474   2023-05-18   
423-420 6 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-420 7 Madisonville TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-24   
423-420 9 Madisonville TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-421 A Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 0 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 1 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 2 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 3 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 4 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 5 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 6 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 7 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 8 Chattanooga TN   5562 METROPCS, INC. 472      
423-421 9 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-422 A Mosheim TN MOSHTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 0 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 1 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 2 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 3 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 4 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 5 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 6 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 7 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-422 8 Mosheim TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2014-04-19   
423-422 9 Mosheim TN   4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-423 A Limestone TN   792K CHARTER IP ENABLED SERVICES, LLC 956   2026-01-11   
423-423 0 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-423 1 Limestone TN   792K CHARTER IP ENABLED SERVICES, LLC 956   2026-01-11   
423-423 2 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-423 3 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-423 4 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-423 7 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-423 8 Limestone TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2026-01-29   
423-423 9 Limestone TN   525E ONVOY, LLC - TN 956   2026-01-23   
423-424 A Chattanooga TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-424 0 Chattanooga TN   829J PAETEC ITEL, LLC 472      
423-424 1 Chattanooga TN   829J PAETEC ITEL, LLC 472      
423-424 2 Chattanooga TN   829J PAETEC ITEL, LLC 472      
423-424 3 Chattanooga TN   829J PAETEC ITEL, LLC 472      
423-424 4 Chattanooga TN   829J PAETEC ITEL, LLC 472      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.