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 |
|---|---|---|---|---|---|
| 161 | Movil | CABLEVISIONRED | Texcoco | México | Texcoco de mora |
| 161 | Movil | CABLEVISIONRED | Texcoco | México | Texcoco de mora |
| 161 | Movil | CABLEVISIONRED | Texcoco | México | Texcoco de mora |
| 162 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 162 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 162 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 163 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 164 | Fijo | FLYNODE | Texcoco | México | Texcoco de mora |
| 165 | Movil | ALTÁN | Texcoco | México | Texcoco de mora |
| 166 | Movil | YONDER | Texcoco | México | Texcoco de mora |
| 167 | Fijo | INBTEL | Texcoco | México | Texcoco de mora |
| 168 | Movil | TALENTO NET | Texcoco | México | Texcoco de mora |
| 169 | Fijo | CENTERNEXT | Texcoco | México | Texcoco de mora |
| 170 | Movil | VIRGIN | Texcoco | México | Texcoco de mora |
| 488 | Fijo | TELMEX | Tepetlaoxtoc | México | San pedro chiautzingo |
| 515 | Fijo | AXTEL | Texcoco | México | Texcoco de mora |
| 596 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 596 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 688 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 689 | Fijo | TELMEX | Tepetlaoxtoc | México | San juan totolapan |
| 690 | Fijo | MEGACABLE | Texcoco | México | Texcoco de mora |
| 908 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 913 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 913 | Fijo | TOTAL PLAY | Texcoco | México | Texcoco de mora |
| 921 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 921 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 921 | Fijo | TELMEX | Texcoco | México | Montecillo |
| 921 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 921 | Fijo | TELMEX | Texcoco | México | San bernardino |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 921 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 921 | Fijo | TELMEX | Texcoco | México | Montecillo |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Chiconcuac | México | Chiconcuac de juarez |
| 921 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 922 | Fijo | TELMEX | Texcoco | México | San bernardino |
| 922 | Fijo | TELMEX | Texcoco | México | San bernardino |
| 922 | Fijo | TELMEX | Texcoco | México | San bernardino |
| 922 | Fijo | TELMEX | Texcoco | México | San bernardino |
| 922 | Fijo | TELMEX | Atenco | México | San salvador atenco |
| 922 | Fijo | TELMEX | Texcoco | México | San jeronimo amanalco |
| 922 | Fijo | TELMEX | Texcoco | México | San jeronimo amanalco |
| 922 | Fijo | TELMEX | Texcoco | México | San jeronimo amanalco |
| 922 | Fijo | TELMEX | Texcoco | México | San jeronimo amanalco |
| 922 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 922 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 922 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 922 | Movil | AT&T | Texcoco | México | Texcoco de mora |
| 923 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 923 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 923 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 923 | Fijo | TELMEX | Texcoco | México | San joaquin coapango |
| 923 | Fijo | TELMEX | Texcoco | México | Santa catarina del monte |
| 923 | Fijo | TELMEX | Texcoco | México | San dieguito (san dieguito xochimanca) |
| 923 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 923 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 923 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 923 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 923 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 923 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 923 | Fijo | TELMEX | Texcoco | México | Tequexquinahuac |
| 923 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 923 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 923 | Fijo | TELMEX | Tepetlaoxtoc | México | Tepetlaoxtoc de hidalgo |
| 923 | Fijo | TELMEX | Texcoco | México | Santa maria tecuanulco |
| 924 | Fijo | TELMEX | Tepetlaoxtoc | México | San bernardo tlalmimilolpan |
| 924 | Fijo | TELMEX | Tepetlaoxtoc | México | San bernardo tlalmimilolpan |
| 924 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 924 | Fijo | TELMEX | Tepetlaoxtoc | México | Santo tomas apipilhuasco (santo tomas) |
| 924 | Fijo | TELMEX | Tepetlaoxtoc | México | Santo tomas apipilhuasco (santo tomas) |
| 924 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 924 | Fijo | TELMEX | Chiautla | México | Tepetitlan (san antonio tepetitlan) |
| 924 | Fijo | TELMEX | Texcoco | México | San joaquin coapango |
| 925 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 925 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Texcoco | México | San pablo ixayoc |
| 928 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 928 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 928 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 928 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 928 | Fijo | TELMEX | Texcoco | México | Santiago cuautlalpan |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Texcoco | México | Purificacion, la |
| 928 | Fijo | TELMEX | Chiautla | México | Tepetitlan (san antonio tepetitlan) |
| 928 | Fijo | TELMEX | Chiautla | México | Tepetitlan (san antonio tepetitlan) |
| 928 | Fijo | TELMEX | Chiautla | México | Tepetitlan (san antonio tepetitlan) |
| 931 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 931 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 931 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 931 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |
| 931 | Fijo | TELMEX | Texcoco | México | Texcoco de mora |