La serie son los 4 número siguiente a la lada, los cuales se utilizan para identificar la compañia y el asentamiento al que pertenece el número telefónico.
| Serie | Tipo | Compañia | Municipio | Estado | Asentamiento |
|---|---|---|---|---|---|
| 329 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 330 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 331 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 332 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 333 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 333 | Fijo | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 334 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 334 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 335 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 336 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 337 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 338 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 339 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 340 | Movil | TELECOMUNICACIONES 360 | Chihuahua | Chihuahua | Chihuahua |
| 340 | Movil | TELECOMUNICACIONES 360 | Chihuahua | Chihuahua | Chihuahua |
| 340 | Movil | TELECOMUNICACIONES 360 | Chihuahua | Chihuahua | Chihuahua |
| 341 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 342 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 343 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 344 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 344 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 344 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 345 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 346 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 347 | Movil | IBO CELL | Chihuahua | Chihuahua | Chihuahua |
| 348 | Movil | QBOCEL | Chihuahua | Chihuahua | Chihuahua |
| 349 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 350 | Fijo | ALESTRA | Chihuahua | Chihuahua | Chihuahua |
| 351 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 352 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 353 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 354 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 355 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 356 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 357 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 358 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 359 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 360 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 361 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 362 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 363 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 364 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 365 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 366 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 367 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 368 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 369 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 369 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 370 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 371 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 372 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 373 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 374 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 375 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 376 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 377 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 378 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 379 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 380 | Fijo | ALESTRA | Chihuahua | Chihuahua | Chihuahua |
| 381 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 382 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 383 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 384 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 385 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 386 | Movil | CELMAX | Chihuahua | Chihuahua | Chihuahua |
| 386 | Fijo | MAXCOM | Chihuahua | Chihuahua | Chihuahua |
| 387 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 387 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 388 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 389 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 390 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 391 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 392 | Fijo | TV REY | Chihuahua | Chihuahua | Chihuahua |
| 393 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 394 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 394 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 394 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 395 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 396 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 397 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 398 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 399 | Fijo | UC TELECOM | Chihuahua | Chihuahua | Chihuahua |
| 399 | Fijo | UC TELECOM | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 400 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 401 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 402 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 403 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 404 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 405 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 406 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 407 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 408 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 409 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 409 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |