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 |
|---|---|---|---|---|---|
| 223 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 223 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 224 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 225 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 226 | Fijo | AVANTEL | Juárez | Chihuahua | Juarez |
| 226 | Fijo | CABLEMAS | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 227 | Fijo | TOTAL PLAY | Juárez | Chihuahua | Juarez |
| 228 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 229 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 229 | Fijo | TELMEX | Guadalupe | Chihuahua | Juarez y reforma |
| 229 | Fijo | TELMEX | Guadalupe | Chihuahua | Guadalupe |
| 229 | Fijo | TELMEX | Praxedis G. Guerrero | Chihuahua | Colonia esperanza |
| 229 | Fijo | TELMEX | Juárez | Chihuahua | San isidro (rio grande) |
| 229 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 229 | Fijo | TELMEX | Guadalupe | Chihuahua | Guadalupe |
| 229 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 230 | Movil | AXTEL | Juárez | Chihuahua | Juarez |
| 231 | Movil | AXTEL | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Ahumada | Chihuahua | Miguel ahumada |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 232 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 233 | Fijo | AXTEL | Juárez | Chihuahua | Juarez |
| 234 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 235 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 236 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 237 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 237 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 238 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 239 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 240 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 241 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 242 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 243 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 244 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 245 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 246 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 247 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 248 | Fijo | AVANTEL | Juárez | Chihuahua | Juarez |
| 248 | Fijo | TOTAL PLAY | Juárez | Chihuahua | Juarez |
| 249 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 250 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 251 | Fijo | AXTEL | Juárez | Chihuahua | Juarez |
| 252 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 252 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 252 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 252 | Fijo | TOTAL PLAY | Juárez | Chihuahua | Juarez |
| 252 | Fijo | TOTAL PLAY | Juárez | Chihuahua | Juarez |
| 253 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 254 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 255 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 256 | Movil | MOVISTAR | Juárez | Chihuahua | Juarez |
| 257 | Fijo | IP MATRIX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Guadalupe | Chihuahua | Doctor porfirio parra (la caseta) |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 258 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 259 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 259 | Fijo | TELMEX | Juárez | Chihuahua | Juarez |
| 259 | Fijo | CABLEMAS | Juárez | Chihuahua | Juarez |
| 259 | Fijo | TOTAL PLAY | Juárez | Chihuahua | Juarez |
| 260 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 260 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 261 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 262 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 263 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 264 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 265 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 266 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 267 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 268 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 269 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 269 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 269 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 270 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 271 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 272 | Movil | AT&T | Juárez | Chihuahua | Juarez |
| 273 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 274 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 275 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 276 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 277 | Movil | TELCEL | Juárez | Chihuahua | Juarez |
| 278 | Movil | TELCEL | Juárez | Chihuahua | Juarez |