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 | Tonalá | Chiapas | Tres picos |
| 100 | Movil | MOVISTAR | Tonalá | Chiapas | Tres picos |
| 101 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 101 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 101 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 102 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 102 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 102 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 102 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 103 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 104 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 104 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 105 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 105 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 105 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 106 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 106 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 107 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 107 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 107 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 108 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 108 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 108 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 108 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 109 | Fijo | DIRECTO | Chahuites | Oaxaca | Chahuites |
| 109 | Fijo | DIRECTO | Chahuites | Oaxaca | Chahuites |
| 109 | Fijo | DIRECTO | Chahuites | Oaxaca | Chahuites |
| 110 | Movil | SERVITRON | Chahuites | Oaxaca | Chahuites |
| 111 | Fijo | UC TELECOM | Chahuites | Oaxaca | Chahuites |
| 112 | Fijo | TV REY | Chahuites | Oaxaca | Chahuites |
| 113 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 113 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 113 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 114 | Movil | ALTCEL | Chahuites | Oaxaca | Chahuites |
| 115 | Fijo | COEFICIENTE | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |
| 116 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 116 | Fijo | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 117 | Movil | FREEDOMPOP | Chahuites | Oaxaca | Chahuites |
| 118 | Fijo | IP MATRIX | Tonalá | Chiapas | Puerto arista |
| 119 | Movil | MEGACABLE | Chahuites | Oaxaca | Chahuites |
| 119 | Movil | MEGACABLE | Tonalá | Chiapas | Puerto arista |
| 120 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 120 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 121 | Fijo | INBTEL | Tonalá | Chiapas | Tres picos |
| 122 | Movil | CORPORACIÓN NOVAVISIÓN | Chahuites | Oaxaca | Chahuites |
| 123 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 124 | Fijo | OPERBES | Chahuites | Oaxaca | Chahuites |
| 125 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 125 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 126 | Fijo | CENTERNEXT | Tonalá | Chiapas | Tres picos |
| 127 | Movil | ALTÁN | Chahuites | Oaxaca | Chahuites |
| 128 | Fijo | TELIGENTIA | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 263 | Movil | TELCEL | Chahuites | Oaxaca | Chahuites |
| 488 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | Porvenir, el |
| 488 | Fijo | TELMEX | San Francisco Ixhuatán | Oaxaca | San francisco ixhuatan |
| 488 | Fijo | TELMEX | San Pedro Tapanatepec | Oaxaca | Corazones, los |
| 488 | Fijo | TELMEX | Tonalá | Chiapas | Cabeza de toro |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 596 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 600 | Fijo | TELMEX | San Dionisio del Mar | Oaxaca | San dionisio del mar |
| 600 | Fijo | TELMEX | San Dionisio del Mar | Oaxaca | San dionisio del mar |
| 600 | Fijo | TELMEX | Santa María Chimalapa | Oaxaca | Santa maria chimalapa |
| 600 | Fijo | TELMEX | Santa María Chimalapa | Oaxaca | Santa maria chimalapa |
| 600 | Fijo | TELMEX | San Dionisio del Mar | Oaxaca | Huamuchil |
| 600 | Fijo | TELMEX | Tonalá | Chiapas | Manuel avila camacho |
| 600 | Fijo | TELMEX | San Francisco Ixhuatán | Oaxaca | San francisco ixhuatan |
| 600 | Fijo | TELMEX | Tonalá | Chiapas | Puerto arista |
| 600 | Fijo | TELMEX | Tonalá | Chiapas | Puerto arista |
| 688 | Fijo | TELMEX | Santo Domingo Ingenio | Oaxaca | Blanca, la |
| 688 | Fijo | TELMEX | Santo Domingo Zanatepec | Oaxaca | General pascual fuentes (jicaro) |
| 689 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | Conchas, las |
| 690 | Fijo | MEGACABLE | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 713 | Fijo | TELMEX | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |
| 713 | Fijo | TELMEX | San Francisco Ixhuatán | Oaxaca | San francisco ixhuatan |
| 713 | Fijo | TELMEX | San Francisco Ixhuatán | Oaxaca | San francisco ixhuatan |
| 713 | Fijo | TELMEX | San Francisco Ixhuatán | Oaxaca | San francisco ixhuatan |
| 713 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | San miguel chimalapa |
| 716 | Fijo | TELMEX | Santo Domingo Ingenio | Oaxaca | Santo domingo ingenio |
| 716 | Fijo | TELMEX | Santo Domingo Ingenio | Oaxaca | Santo domingo ingenio |
| 716 | Fijo | TELMEX | Tonalá | Chiapas | Vicente guerrero |
| 716 | Fijo | TELMEX | Tonalá | Chiapas | Vicente guerrero |
| 716 | Fijo | TELMEX | San Miguel Chimalapa | Oaxaca | Porvenir, el |
| 717 | Fijo | TELMEX | Chahuites | Oaxaca | Chahuites |
| 717 | Fijo | TELMEX | Chahuites | Oaxaca | Chahuites |
| 720 | Fijo | TELMEX | Santa María Chimalapa | Oaxaca | Esmeralda, la |
| 720 | Fijo | TELMEX | Santa María Chimalapa | Oaxaca | Esmeralda, la |
| 721 | Fijo | TELMEX | Santo Domingo Zanatepec | Oaxaca | Santo domingo zanatepec |
| 721 | Fijo | TELMEX | Santo Domingo Zanatepec | Oaxaca | Santo domingo zanatepec |
| 721 | Fijo | TELMEX | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |
| 721 | Fijo | TELMEX | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |
| 721 | Fijo | TELMEX | San Pedro Tapanatepec | Oaxaca | San pedro tapanatepec |