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 |
|---|---|---|---|---|---|
| 226 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 227 | Fijo | PROTEL I-NEXT | San Luis Potosí | San Luis Potosí | San luis potosi |
| 228 | Fijo | AVANTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 229 | Fijo | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 230 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 231 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 232 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 233 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 234 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 235 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 236 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 237 | Fijo | AVANTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 237 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 238 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 239 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 240 | Fijo | MAXCOM | San Luis Potosí | San Luis Potosí | San luis potosi |
| 241 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 242 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 243 | Fijo | AXTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 244 | Fijo | AXTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 245 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 246 | Fijo | AXTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 247 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 248 | Fijo | AVANTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 248 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 249 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 250 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 251 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 252 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 253 | Fijo | ALESTRA | San Luis Potosí | San Luis Potosí | San luis potosi |
| 254 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 254 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 254 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 255 | Fijo | TELMEX | San Luis Potosí | San Luis Potosí | San luis potosi |
| 256 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 257 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 258 | Fijo | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 259 | Fijo | LOGITEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 259 | Fijo | TOTAL PLAY | San Luis Potosí | San Luis Potosí | San luis potosi |
| 260 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 261 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 262 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 263 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 264 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 265 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 266 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 267 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 268 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 269 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 270 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 271 | Fijo | MAXCOM | San Luis Potosí | San Luis Potosí | San luis potosi |
| 272 | Fijo | MAXCOM | San Luis Potosí | San Luis Potosí | San luis potosi |
| 273 | Fijo | MAXCOM | San Luis Potosí | San Luis Potosí | San luis potosi |
| 274 | Fijo | ALESTRA | San Luis Potosí | San Luis Potosí | San luis potosi |
| 275 | Fijo | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 276 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 277 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 278 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 279 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 280 | Movil | AT&T | San Luis Potosí | San Luis Potosí | San luis potosi |
| 281 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 282 | Fijo | AVANTEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 282 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 283 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 284 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 285 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 286 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 287 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 288 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 289 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 290 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 291 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 292 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 293 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 294 | Fijo | TV INTERNACIONAL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 294 | Fijo | TV INTERNACIONAL | Soledad de Graciano Sánchez | San Luis Potosí | Soledad de graciano sanchez |
| 295 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 296 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 297 | Movil | MOVISTAR | San Luis Potosí | San Luis Potosí | San luis potosi |
| 298 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 298 | Fijo | TV CABLE | San Luis Potosí | San Luis Potosí | San luis potosi |
| 299 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 300 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 301 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 302 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 303 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 304 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 305 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 306 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 307 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 308 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 309 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 310 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 311 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 312 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 313 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 314 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 315 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 316 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |
| 317 | Movil | TELCEL | San Luis Potosí | San Luis Potosí | San luis potosi |