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 |
|---|---|---|---|---|---|
| 573 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 574 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 575 | Fijo | AXTEL | Chihuahua | Chihuahua | Chihuahua |
| 576 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 577 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 578 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 579 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 580 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 581 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 582 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 582 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 583 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 584 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 585 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 586 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 586 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 587 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 588 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 589 | Fijo | VINOC | Chihuahua | Chihuahua | Chihuahua |
| 589 | Fijo | VINOC | Chihuahua | Chihuahua | Chihuahua |
| 590 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 591 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 591 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 592 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 593 | Movil | FREEDOMPOP | Chihuahua | Chihuahua | Chihuahua |
| 593 | Movil | FREEDOMPOP | Chihuahua | Chihuahua | Chihuahua |
| 594 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 595 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 596 | Fijo | TELMEX | Chihuahua | Chihuahua | Chihuahua |
| 596 | Fijo | TELMEX | Chihuahua | Chihuahua | Chihuahua |
| 597 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 598 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 599 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 600 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 601 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 602 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 603 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 604 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 605 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 606 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 607 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 608 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 609 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 610 | Movil | TELCEL | Chihuahua | Chihuahua | Chihuahua |
| 611 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 612 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 613 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 614 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 615 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 616 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 616 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 617 | Movil | AXTEL | Chihuahua | Chihuahua | Chihuahua |
| 618 | Fijo | COMUNICALO | Chihuahua | Chihuahua | Chihuahua |
| 619 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 620 | Fijo | MBT | Chihuahua | Chihuahua | Chihuahua |
| 621 | Movil | ALTÁN | Chihuahua | Chihuahua | Chihuahua |
| 622 | Movil | ALTÁN | Chihuahua | Chihuahua | Chihuahua |
| 623 | Movil | ALTÁN | Chihuahua | Chihuahua | Chihuahua |
| 623 | Movil | ALTÁN | Chihuahua | Chihuahua | Chihuahua |
| 624 | Movil | ALTCEL | Chihuahua | Chihuahua | Chihuahua |
| 625 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 626 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 627 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 628 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 629 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 630 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 630 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 631 | Movil | ADDINTELI | Chihuahua | Chihuahua | Chihuahua |
| 632 | Fijo | TOTAL PLAY | Chihuahua | Chihuahua | Chihuahua |
| 633 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 634 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 635 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 636 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 637 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 638 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 639 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 640 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 641 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 642 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 643 | Movil | MOVISTAR | Chihuahua | Chihuahua | Chihuahua |
| 644 | Fijo | COEFICIENTE | Chihuahua | Chihuahua | Chihuahua |
| 645 | Movil | FREEDOMPOP | Chihuahua | Chihuahua | Chihuahua |
| 645 | Movil | FREEDOMPOP | Chihuahua | Chihuahua | Chihuahua |
| 646 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 647 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 648 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 649 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 650 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 651 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 652 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 653 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 654 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 655 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 655 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 656 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 657 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 657 | Movil | AT&T | Chihuahua | Chihuahua | Chihuahua |
| 658 | Fijo | CABLEMAS | Chihuahua | Chihuahua | Chihuahua |
| 659 | Movil | OPERBES | Chihuahua | Chihuahua | Chihuahua |
| 660 | Movil | CELMAX | Chihuahua | Chihuahua | Chihuahua |