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 |
|---|---|---|---|---|---|
| 100 | Movil | MOVISTAR | Tepoztlán | Morelos | Tepoztlan |
| 101 | Movil | MOVISTAR | Tepoztlán | Morelos | Tepoztlan |
| 101 | Movil | MOVISTAR | Tepoztlán | Morelos | Tepoztlan |
| 102 | Fijo | TELMEX | Tepoztlán | Morelos | Santiago tepetlapa |
| 102 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 102 | Fijo | TELMEX | Huitzilac | Morelos | Tres marias |
| 102 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 103 | Fijo | MEGACABLE | Tepoztlán | Morelos | Tepoztlan |
| 103 | Movil | MEGACABLE | Tepoztlán | Morelos | Tepoztlan |
| 104 | Movil | ALTÁN | Tepoztlán | Morelos | Tepoztlan |
| 104 | Fijo | ALTÁN | Tepoztlán | Morelos | Tepoztlan |
| 104 | Movil | ALTÁN | Tepoztlán | Morelos | Tepoztlan |
| 105 | Fijo | DIRECTO | Tepoztlán | Morelos | San juan tlacotenco |
| 105 | Fijo | DIRECTO | Tepoztlán | Morelos | San juan tlacotenco |
| 105 | Fijo | DIRECTO | Tepoztlán | Morelos | San juan tlacotenco |
| 106 | Fijo | UC TELECOM | Tepoztlán | Morelos | San juan tlacotenco |
| 107 | Fijo | TV REY | Tepoztlán | Morelos | San juan tlacotenco |
| 108 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 109 | Fijo | COEFICIENTE | Huitzilac | Morelos | Huitzilac |
| 110 | Fijo | OPERBES | Tepoztlán | Morelos | Tepoztlan |
| 111 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 112 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 113 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 114 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 115 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 116 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 117 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 118 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 119 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 120 | Movil | CABLEVISIONRED | Tepoztlán | Morelos | Tepoztlan |
| 120 | Movil | CABLEVISIONRED | Tepoztlán | Morelos | Tepoztlan |
| 121 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 122 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 123 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 124 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 125 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 126 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 127 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 128 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 129 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 130 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 131 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 132 | Movil | AT&T | Tepoztlán | Morelos | Tepoztlan |
| 133 | Movil | VIRGIN | Tepoztlán | Morelos | Tepoztlan |
| 134 | Fijo | CENTERNEXT | Tepoztlán | Morelos | Tepoztlan |
| 135 | Fijo | INBTEL | Tepoztlán | Morelos | Tepoztlan |
| 136 | Fijo | TELIGENTIA | Huitzilac | Morelos | Huitzilac |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Coajomulco |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Coajomulco |
| 393 | Fijo | TELMEX | Tepoztlán | Morelos | San juan tlacotenco |
| 393 | Fijo | TELMEX | Tepoztlán | Morelos | Amatlan de quetzalcoatl |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Tres marias |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Tres marias |
| 393 | Fijo | TELMEX | Huitzilac | Morelos | Tres marias |
| 393 | Fijo | TELMEX | Tepoztlán | Morelos | San juan tlacotenco |
| 393 | Fijo | TELMEX | Tepoztlán | Morelos | San juan tlacotenco |
| 393 | Fijo | TELMEX | Tepoztlán | Morelos | San juan tlacotenco |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Santa catarina |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Santa catarina |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | San andres de la cal |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | San andres de la cal |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | San andres de la cal |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | San andres de la cal |
| 395 | Fijo | TELMEX | Tepoztlán | Morelos | Tepoztlan |
| 395 | Fijo | TELMEX | Huitzilac | Morelos | Coajomulco |
| 596 | Fijo | TELMEX | Tepoztlán | Morelos | Santiago tepetlapa |
| 688 | Fijo | TELMEX | Tepoztlán | Morelos | Santa catarina |
| 688 | Fijo | TELMEX | Huitzilac | Morelos | Huitzilac |
| 689 | Fijo | TELMEX | Huitzilac | Morelos | Tres marias |
| 690 | Fijo | MEGACABLE | Tepoztlán | Morelos | Tepoztlan |
| 995 | Fijo | AJTEL | Tepoztlán | Morelos | Tepoztlan |