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 |
|---|---|---|---|---|---|
| 570 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 571 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 572 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 573 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 574 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 575 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 576 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 577 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 578 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 579 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 580 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 581 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 582 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 583 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 584 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 585 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 586 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 587 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |
| 588 | Movil | ALTÁN | Tijuana | Baja California | Tijuana |