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 | TELNOR | Tecate | Baja California | Tecate |
| 101 | Movil | AT&T | Tecate | Baja California | Tecate |
| 102 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 102 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 102 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 103 | Fijo | TELNOR | Tecate | Baja California | Tecate |
| 103 | Fijo | TELNOR | Tecate | Baja California | Tecate |
| 104 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 104 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 104 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 104 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 104 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 105 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 105 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 106 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 106 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 107 | Movil | AT&T | Tecate | Baja California | Tecate |
| 107 | Fijo | TOTAL PLAY | Tecate | Baja California | Tecate |
| 108 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 109 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 110 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 110 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 110 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 110 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 111 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 112 | Movil | AT&T | Tecate | Baja California | Tecate |
| 112 | Movil | AT&T | Tecate | Baja California | Tecate |
| 113 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 114 | Fijo | STARTEL | Tecate | Baja California | Tecate |
| 115 | Fijo | AXTEL | Tecate | Baja California | Tecate |
| 116 | Fijo | AXTEL | Tecate | Baja California | Tecate |
| 117 | Fijo | AXTEL | Tecate | Baja California | Tecate |
| 118 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 118 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 119 | Movil | AT&T | Tecate | Baja California | Tecate |
| 120 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 121 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 122 | Fijo | CABLEMAS | Tecate | Baja California | Tecate |
| 123 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 124 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 125 | Fijo | MOVISTAR | Tecate | Baja California | Tecate |
| 126 | Movil | AT&T | Tecate | Baja California | Tecate |
| 127 | Movil | AT&T | Tecate | Baja California | Tecate |
| 128 | Movil | AT&T | Tecate | Baja California | Tecate |
| 129 | Movil | AT&T | Tecate | Baja California | Tecate |
| 130 | Movil | AT&T | Tecate | Baja California | Tecate |
| 131 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 132 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 132 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 133 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 133 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 133 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 134 | Fijo | CABLEMAS | Tecate | Baja California | Tecate |
| 134 | Fijo | CABLEMAS | Tecate | Baja California | Tecate |
| 134 | Fijo | CABLEMAS | Tecate | Baja California | Tecate |
| 135 | Movil | IBO CELL | Tecate | Baja California | Tecate |
| 136 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 137 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 137 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 138 | Movil | CELMAX | Tecate | Baja California | Tecate |
| 138 | Movil | CELMAX | Tecate | Baja California | Tecate |
| 139 | Fijo | TOTAL PLAY | Tecate | Baja California | Tecate |
| 140 | Fijo | IP MATRIX | Tecate | Baja California | Tecate |
| 141 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 142 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 142 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 143 | Movil | AT&T | Tecate | Baja California | Tecate |
| 144 | Movil | AT&T | Tecate | Baja California | Tecate |
| 144 | Movil | AT&T | Tecate | Baja California | Tecate |
| 145 | Movil | MOVISTAR | Tecate | Baja California | Tecate |
| 146 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 146 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 147 | Movil | AT&T | Tecate | Baja California | Tecate |
| 147 | Movil | AT&T | Tecate | Baja California | Tecate |
| 148 | Movil | AT&T | Tecate | Baja California | Tecate |
| 148 | Movil | AT&T | Tecate | Baja California | Tecate |
| 149 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 150 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 150 | Movil | TELCEL | Tecate | Baja California | Tecate |
| 151 | Fijo | ALTÁN | Tecate | Baja California | Tecate |
| 151 | Movil | ALTÁN | Tecate | Baja California | Tecate |
| 152 | Movil | AT&T | Tecate | Baja California | Tecate |
| 152 | Movil | AT&T | Tecate | Baja California | Tecate |
| 153 | Movil | AT&T | Tecate | Baja California | Tecate |
| 153 | Movil | AT&T | Tecate | Baja California | Tecate |
| 154 | Fijo | UC TELECOM | Tecate | Baja California | Tecate |
| 154 | Fijo | UC TELECOM | Tecate | Baja California | Tecate |
| 155 | Movil | AT&T | Tecate | Baja California | Tecate |
| 156 | Movil | AT&T | Tecate | Baja California | Tecate |
| 157 | Movil | AT&T | Tecate | Baja California | Tecate |
| 157 | Movil | AT&T | Tecate | Baja California | Tecate |
| 158 | Fijo | DIRECTO | Tecate | Baja California | Tecate |
| 158 | Fijo | DIRECTO | Tecate | Baja California | Tecate |
| 158 | Fijo | DIRECTO | Tecate | Baja California | Tecate |
| 159 | Fijo | BESTPHONE | Tecate | Baja California | Tecate |
| 160 | Movil | SERVITRON | Tecate | Baja California | Tecate |
| 161 | Fijo | TV REY | Tecate | Baja California | Tecate |
| 162 | Movil | AT&T | Tecate | Baja California | Tecate |
| 163 | Movil | AT&T | Tecate | Baja California | Tecate |
| 164 | Movil | AT&T | Tecate | Baja California | Tecate |