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 |
|---|---|---|---|---|---|
| 261 | Fijo | ROBOT | Puerto Peñasco | Sonora | Puerto peñasco |
| 261 | Fijo | ROBOT | Puerto Peñasco | Sonora | Puerto peñasco |
| 262 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 263 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 264 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 265 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 266 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 267 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 268 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 269 | Movil | AT&T | Puerto Peñasco | Sonora | Puerto peñasco |
| 270 | Movil | VIRGIN | Puerto Peñasco | Sonora | Puerto peñasco |
| 271 | Fijo | CENTERNEXT | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 380 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 381 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 381 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Choya, la |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Choya, la |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Choya, la |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Choya, la |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 382 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 383 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 384 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 385 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 385 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 386 | Movil | TELCEL | Puerto Peñasco | Sonora | Puerto peñasco |
| 387 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 387 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 387 | Movil | MOVISTAR | Puerto Peñasco | Sonora | Puerto peñasco |
| 388 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 454 | Fijo | BESTPHONE | Puerto Peñasco | Sonora | Puerto peñasco |
| 455 | Fijo | BESTPHONE | Puerto Peñasco | Sonora | Puerto peñasco |
| 596 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 688 | Fijo | TELMEX | Puerto Peñasco | Sonora | Puerto peñasco |
| 688 | Fijo | TELMEX | Puerto Peñasco | Sonora | Brisas del golfo l |
| 688 | Fijo | TELMEX | Puerto Peñasco | Sonora | Brisas del golfo ll |
| 689 | Fijo | TELMEX | Puerto Peñasco | Sonora | Brisas del golfo ll |
| 690 | Fijo | MEGACABLE | Puerto Peñasco | Sonora | Puerto peñasco |
| 980 | Fijo | MCM | Puerto Peñasco | Sonora | Puerto peñasco |
| 980 | Fijo | MCM | Puerto Peñasco | Sonora | Puerto peñasco |