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 |
|---|---|---|---|---|---|
| 320 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 321 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 322 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 323 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 324 | Movil | CABLEVISIONRED | Guasave | Sinaloa | Guasave |
| 325 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 326 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 327 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 328 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 329 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 330 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 331 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 332 | Fijo | TELECOMMERCE | Guasave | Sinaloa | Guasave |
| 333 | Fijo | ARDO | Guasave | Sinaloa | Guasave |
| 334 | Movil | YONDER | Guasave | Sinaloa | Guasave |
| 335 | Fijo | MCM | Guasave | Sinaloa | Guasave |
| 336 | Fijo | INBTEL | Guasave | Sinaloa | Guasave |
| 337 | Movil | FREEDOMPOP | Guasave | Sinaloa | Guasave |
| 338 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 339 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 340 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 341 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 342 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 343 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 344 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 345 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 346 | Movil | VIRGIN | Sinaloa | Sinaloa | Sinaloa de leyva |
| 346 | Movil | VIRGIN | Guasave | Sinaloa | Guasave |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Juan jose rios |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Juan jose rios |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 366 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Adolfo ruiz cortines |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Adolfo ruiz cortines |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Adolfo ruiz cortines |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Adolfo ruiz cortines |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 367 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 454 | Fijo | BESTPHONE | Guasave | Sinaloa | Guasave |
| 455 | Fijo | BESTPHONE | Guasave | Sinaloa | Guasave |
| 456 | Fijo | BESTPHONE | Guasave | Sinaloa | Guasave |
| 488 | Fijo | TELMEX | Sinaloa | Sinaloa | Alfredo v. bonfil (siete ejidos) |
| 488 | Fijo | TELMEX | Sinaloa | Sinaloa | Alfredo v. bonfil (siete ejidos) |
| 488 | Fijo | TELMEX | Guasave | Sinaloa | Curva, la |
| 488 | Fijo | TELMEX | Sinaloa | Sinaloa | Nacaveba |
| 488 | Fijo | TELMEX | Sinaloa | Sinaloa | Bacubirito |
| 593 | Movil | AT&T | Guasave | Sinaloa | Glorias, las |
| 593 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 593 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 593 | Movil | AT&T | Guasave | Sinaloa | Glorias, las |
| 593 | Movil | AT&T | Guasave | Sinaloa | Guasave |
| 596 | Fijo | TELMEX | Guasave | Sinaloa | Juan jose rios |
| 688 | Fijo | TELMEX | Guasave | Sinaloa | Corerepe (el gallo) |
| 688 | Fijo | TELMEX | Sinaloa | Sinaloa | Concentracion 5 de febrero |
| 688 | Fijo | TELMEX | Sinaloa | Sinaloa | Pueblito, el (el realito) |
| 689 | Fijo | TELMEX | Guasave | Sinaloa | Ejido figueroa |
| 690 | Fijo | MEGACABLE | Guasave | Sinaloa | Guasave |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Tamazula |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Portugues de galvez |
| 721 | Fijo | TELMEX | Sinaloa | Sinaloa | Maripa |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Estacion capomas |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Brisas, las (emiliano zapata) |
| 721 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 857 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 868 | Movil | MOVISTAR | Guasave | Sinaloa | Guasave |
| 868 | Movil | MOVISTAR | Guasave | Sinaloa | Guasave |
| 868 | Movil | MOVISTAR | Guasave | Sinaloa | Guasave |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Pitahayal, el |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Pitahayal, el |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Ladrilleras de ocoro |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Ladrilleras de ocoro |
| 870 | Fijo | TELMEX | Sinaloa | Sinaloa | Batamote |
| 870 | Fijo | TELMEX | Sinaloa | Sinaloa | Batamote |
| 870 | Fijo | TELMEX | Sinaloa | Sinaloa | Batamote |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Adolfo ruiz cortines |
| 870 | Fijo | TELMEX | Guasave | Sinaloa | Amole, el |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 871 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 872 | Fijo | TELMEX | Guasave | Sinaloa | Guasave |
| 873 | Fijo | TELMEX | Guasave | Sinaloa | Leon fonseca (estacion verdura) |
| 873 | Fijo | TELMEX | Guasave | Sinaloa | Leon fonseca (estacion verdura) |
| 873 | Fijo | TELMEX | Guasave | Sinaloa | Leon fonseca (estacion verdura) |
| 873 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 873 | Movil | TELCEL | Guasave | Sinaloa | Guasave |
| 873 | Fijo | TELMEX | Guasave | Sinaloa | San jose de palos blancos (palos blancos) |
| 873 | Fijo | TELMEX | Guasave | Sinaloa | San jose de palos blancos (palos blancos) |