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 |
|---|---|---|---|---|---|
| 602 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 603 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 604 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 605 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 606 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 606 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 607 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 608 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 608 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 609 | Movil | SERVITRON | San Luis Potosí | San Luis Potosí | San luis potosi |
| 609 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 609 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 610 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 611 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 612 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 613 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 614 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 615 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 616 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 617 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 618 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 619 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 620 | Fijo | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 621 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 622 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 622 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 623 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 624 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 625 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 626 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 627 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 628 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 629 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 630 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 631 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 632 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 632 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 633 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 634 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 635 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 636 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 637 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 638 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 639 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 640 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 641 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 642 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 642 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 643 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 644 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 645 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 646 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 647 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 648 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 648 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 649 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 650 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 651 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 652 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 653 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 654 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 655 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 656 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 657 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 658 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 659 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 659 | Fijo | TELMEX | Mexquitic de Carmona | San Luis Potosí | Paso blanco |
| 659 | Fijo | TELMEX | Mexquitic de Carmona | San Luis Potosí | Paso blanco |
| 659 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 659 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 659 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 659 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 660 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 661 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 662 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 663 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 664 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 665 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 666 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 667 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 668 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 669 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 670 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 671 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 672 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 672 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 673 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 674 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 674 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 675 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 676 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 676 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 677 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 678 | Fijo | VINOC | San Luis Potosí | San Luis Potosí | San luis potosi |
| 678 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 679 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 679 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 680 | Fijo | COMUNICALO | San Luis Potosí | San Luis Potosí | San luis potosi |
| 680 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 680 | Fijo | STARSATEL | San Luis Potosí | San Luis Potosí | San luis potosi |