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 | Fijo | MAXCOM | Texcoco | México | Texcoco de mora |
| 101 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 102 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 103 | Movil | MOVISTAR | Texcoco | México | Texcoco de mora |
| 103 | Movil | MOVISTAR | Texcoco | México | Texcoco de mora |
| 104 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 105 | Fijo | TELMEX | Papalotla | México | Papalotla |
| 105 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 105 | Fijo | TELMEX | Chiautla | México | Tlaltecahuacan |
| 106 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 107 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 107 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 108 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 109 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 110 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 110 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 111 | Fijo | AXTEL | Texcoco | México | Texcoco de mora |
| 112 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 112 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 113 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 113 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 113 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 114 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 115 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 115 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 116 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 116 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 116 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 116 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 117 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 117 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 117 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 117 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 118 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 118 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 119 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 120 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 121 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 122 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 122 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 123 | Fijo | AXTEL | Texcoco | México | Texcoco de mora |
| 124 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 125 | Movil | TELCEL | Texcoco | México | Texcoco de mora |
| 126 | Fijo | MOVISTAR | Texcoco | México | Texcoco de mora |
| 127 | Fijo | AXTEL | Texcoco | México | Texcoco de mora |
| 128 | Fijo | GPO HIDALGUENSE | Texcoco | México | Texcoco de mora |
| 129 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 129 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 129 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 130 | Movil | IBO CELL | Texcoco | México | Texcoco de mora |
| 131 | Movil | CELMAX | Texcoco | México | Texcoco de mora |
| 131 | Movil | CELMAX | Texcoco | México | Texcoco de mora |
| 131 | Movil | CELMAX | Texcoco | México | Texcoco de mora |
| 132 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 133 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 133 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 134 | Fijo | UC TELECOM | Texcoco | México | Texcoco de mora |
| 135 | Fijo | ALESTRA | Texcoco | México | Texcoco de mora |
| 136 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 136 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 136 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 137 | Fijo | DIRECTO | Texcoco | México | Texcoco de mora |
| 137 | Fijo | DIRECTO | Texcoco | México | Texcoco de mora |
| 137 | Fijo | DIRECTO | Texcoco | México | Texcoco de mora |
| 138 | Movil | SERVITRON | Texcoco | México | Texcoco de mora |
| 139 | Fijo | BESTPHONE | Texcoco | México | Texcoco de mora |
| 140 | Fijo | TV REY | Texcoco | México | Texcoco de mora |
| 141 | Fijo | COMUNICALO | Texcoco | México | Texcoco de mora |
| 142 | Fijo | MARCATELCOM | Texcoco | México | Texcoco de mora |
| 142 | Fijo | MARCATELCOM | Texcoco | México | Texcoco de mora |
| 142 | Fijo | MARCATELCOM | Texcoco | México | Texcoco de mora |
| 142 | Fijo | MARCATELCOM | Texcoco | México | Texcoco de mora |
| 143 | Fijo | MBT | Texcoco | México | Texcoco de mora |
| 144 | Fijo | MCM | Texcoco | México | Texcoco de mora |
| 144 | Fijo | MCM | Texcoco | México | Texcoco de mora |
| 145 | Movil | ALTCEL | Texcoco | México | Texcoco de mora |
| 146 | Movil | ADDINTELI | Texcoco | México | Texcoco de mora |
| 147 | Fijo | COEFICIENTE | Chiconcuac | México | Chiconcuac de juarez |
| 148 | Movil | ALTÁN | Texcoco | México | Texcoco de mora |
| 148 | Fijo | ALTÁN | Texcoco | México | Texcoco de mora |
| 149 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 149 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 150 | Fijo | OPENIP | Texcoco | México | Texcoco de mora |
| 150 | Fijo | OPENIP | Texcoco | México | Texcoco de mora |
| 150 | Fijo | OPENIP | Texcoco | México | Texcoco de mora |
| 151 | Movil | VADSA | Texcoco | México | Texcoco de mora |
| 151 | Fijo | VADSA | Texcoco | México | Texcoco de mora |
| 152 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 153 | Movil | ABIX | Texcoco | México | Texcoco de mora |
| 154 | Movil | FREEDOMPOP | Texcoco | México | Texcoco de mora |
| 154 | Movil | FREEDOMPOP | Texcoco | México | Texcoco de mora |
| 155 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 156 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 157 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 158 | Fijo | TELIGENTIA | Texcoco | México | Texcoco de mora |
| 159 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 159 | Fijo | CABLEMAS | Texcoco | México | Texcoco de mora |
| 160 | Fijo | ROBOT | Texcoco | México | Texcoco de mora |
| 160 | Fijo | ROBOT | Texcoco | México | Texcoco de mora |
| 160 | Fijo | ROBOT | Texcoco | México | Texcoco de mora |