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: MI

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-987 0 Farmington MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-02-12   
248-987 1 Farmington MI   045L BHN IP ENABLED SERVICES, LLC 340   2013-06-12   
248-987 2 Farmington MI   045L BHN IP ENABLED SERVICES, LLC 340   2008-11-17   
248-987 3 Farmington MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-987 4 Farmington MI   045L BHN IP ENABLED SERVICES, LLC 340   2007-10-06   
248-987 5 Farmington MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2012-02-23   
248-987 6 Farmington MI   045L BHN IP ENABLED SERVICES, LLC 340   2008-07-21   
248-987 7 Farmington MI   045L BHN IP ENABLED SERVICES, LLC 340   2011-07-21   
248-987 8 Farmington MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
248-987 9 Farmington MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
248-988 A Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 0 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-18   
248-988 1 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 2 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 3 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-12-18   
248-988 4 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-12-18   
248-988 5 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 6 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 7 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 8 Birmingham MI BRHMMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-988 9 Birmingham MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-18   
248-989 A Troy MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-989 0 Troy MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2018-03-02   
248-989 1 Troy MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-989 2 Troy MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-989 3 Troy MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2020-01-01   
248-989 4 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2018-01-18   
248-989 5 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2017-04-29   
248-989 6 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2017-04-29   
248-989 7 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2018-01-18   
248-989 8 Troy MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-05-25   
248-989 9 Troy MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-05-25   
248-990 A Royal Oak MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
248-991 A Farmington MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-991 0 Farmington MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2013-10-21   
248-991 1 Farmington MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-991 2 Farmington MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2011-05-31   
248-991 3 Farmington MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-991 4 Farmington MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2007-02-02   
248-991 5 Farmington MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2007-02-02   
248-991 6 Farmington MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-991 7 Farmington MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2007-02-02   
248-991 8 Farmington MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2013-03-09   
248-991 9 Farmington MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-992 A Royal Oak MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
248-993 A Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340      
248-993 0 Northville MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-11-13   
248-993 1 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2017-10-12   
248-993 2 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-12-30   
248-993 3 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-11-16   
248-993 4 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-12-27   
248-993 5 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-12-27   
248-993 6 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-12-27   
248-993 8 Northville MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2018-12-30   
248-993 9 Northville MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2016-10-15   
248-994 A Farmington MI FMHLMIFHDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 0 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 1 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 2 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 3 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 4 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 5 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 6 Farmington MI SFLDMIMK9MD  145J TERRA NOVA TELECOM INC. 340   2024-05-26   
248-994 7 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 8 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-994 9 Farmington MI RSVLMINRDS0  9323 MICHIGAN BELL TEL CO 340      
248-995 A Royal Oak MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
248-996 A Southfield MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
248-996 0 Southfield MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-05-23   
248-996 1 Southfield MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2005-11-13   
248-996 2 Southfield MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-03-05   
248-996 3 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2007-01-26   
248-996 4 Southfield MI LIVNMIUX8MD  5562 METROPCS, INC. 340   2007-01-26   
248-996 5 Southfield MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-01-26   
248-996 6 Southfield MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2007-01-14   
248-996 7 Southfield MI DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2007-03-05   
248-996 8 Southfield MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2006-11-29   
248-996 9 Southfield MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2006-11-29   
248-997 A Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 0 Auburn Heights MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-10-10   
248-997 1 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 2 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 3 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 4 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 5 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 6 Auburn Heights MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2015-10-10   
248-997 7 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-997 8 Auburn Heights MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-998 A Royal Oak MI CMPTMIIFCM0  9748 AMERICAN MESSAGING SERVICES, LLC 340      
269-200 A Galesburg MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348      
269-200 0 Galesburg MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348   2004-01-09   
269-200 1 Galesburg MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-10-04   
269-200 2 Galesburg MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-01-27   
269-200 3 Galesburg MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2007-02-25   
269-200 4 Galesburg MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-14   
269-200 5 Galesburg MI GDRPMIBL40Z  318J COMCAST IP PHONE, LLC 348   2007-06-08   
269-200 6 Galesburg MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2007-06-09   
269-200 7 Galesburg MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2007-08-27   
269-200 8 Galesburg MI GDRQMIBODS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2011-11-01   
269-201 A Watervliet MI GDRPMIBL52Z  829J PAETEC ITEL, LLC 348      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.