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: MA

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-990 7 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-07-03   
617-990 8 Hyde Park MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-02-27   
617-990 9 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
617-991 A Brookline MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-991 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-10-06   
617-991 1 Brookline MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-991 2 Brookline MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-991 3 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-07-19   
617-991 4 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-04-23   
617-991 5 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-04-23   
617-991 6 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-09-15   
617-991 7 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-10-01   
617-991 8 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-08-04   
617-991 9 Brookline MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-992 A Brookline MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-992 0 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-02   
617-992 1 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-11-02   
617-992 2 Brookline MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-992 3 Brookline MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-992 4 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-04-23   
617-992 5 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-04-23   
617-992 6 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-06-30   
617-992 7 Brookline MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2014-05-17   
617-992 8 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-06-30   
617-992 9 Brookline MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-993 A Belmont MA BLMTMALERP0  9102 VERIZON NEW ENGLAND INC. 128      
617-993 0 Belmont MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
617-993 1 Belmont MA BLMTMALERP0  9102 VERIZON NEW ENGLAND INC. 128   2006-11-13   
617-993 2 Belmont MA BLMTMALERP0  9102 VERIZON NEW ENGLAND INC. 128      
617-993 3 Belmont MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-11-14   
617-993 4 Belmont MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
617-993 5 Belmont MA BLMTMALERP0  9102 VERIZON NEW ENGLAND INC. 128      
617-993 6 Belmont MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-10-03   
617-993 7 Belmont MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
617-993 8 Belmont MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
617-993 9 Belmont MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-27   
617-994 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-995 A Cambridge MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-996 A Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-996 0 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
617-996 1 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-03   
617-996 2 Somerville MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-10-23   
617-996 3 Somerville MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
617-996 4 Somerville MA CMBRMABEQMD  321J HD CARRIER LLC 128   2016-04-11   
617-996 5 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-996 6 Somerville MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-03-17   
617-996 7 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-30   
617-996 8 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-30   
617-996 9 Somerville MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-01   
617-997 A East Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-997 0 East Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-11   
617-997 1 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-12-02   
617-997 2 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-07-02   
617-997 3 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-08-02   
617-997 4 East Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-997 5 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-11-15   
617-997 6 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
617-997 7 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
617-997 8 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
617-997 9 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
617-998 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-999 A Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-999 0 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-11-15   
617-999 1 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-999 2 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-07-03   
617-999 3 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-01-29   
617-999 4 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-04-04   
617-999 5 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-05-02   
617-999 6 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-08-01   
617-999 7 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-09-01   
617-999 8 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-09-15   
617-999 9 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-07-02   
774-200 A North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-200 0 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-200 1 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-09-18   
774-200 2 North Brookfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-06   
774-200 3 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-06-03   
774-200 4 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-03-04   
774-200 5 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-09-01   
774-200 6 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
774-200 7 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-03-03   
774-200 8 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-12-18   
774-200 9 North Brookfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-09-04   
774-201 A Westport MA BRTNMACRLMD  5562 METROPCS, INC. 128      
774-201 0 Westport MA BRTNMACRLMD  5562 METROPCS, INC. 128      
774-201 1 Westport MA BRTNMACRLMD  5562 METROPCS, INC. 128      
774-201 9 Westport MA BRTNMACRLMD  5562 METROPCS, INC. 128      
774-202 A New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
774-202 0 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
774-202 1 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2003-06-18   
774-202 2 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2003-12-17   
774-202 3 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2003-01-24   
774-202 4 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2004-12-04   
774-202 5 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2002-07-05   
774-202 6 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-05-27   
774-202 7 New Bedford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-05-27   
774-202 8 New Bedford MA   829J PAETEC ITEL, LLC 128   2006-12-22   
774-202 9 New Bedford MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-29   
774-203 A Attleboro MA   829J PAETEC ITEL, LLC 128      
774-203 0 Attleboro MA   3370 CTC COMMUNICATIONS CORP. - MA 128      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.