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 |
|---|---|---|---|---|---|
| 288 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 288 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 289 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 290 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 291 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 292 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 293 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 294 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 295 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 296 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 297 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 298 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 299 | Fijo | TELIGENTIA | Othón P. Blanco | Quintana Roo | Chetumal |
| 299 | Fijo | TELIGENTIA | Othón P. Blanco | Quintana Roo | Chetumal |
| 300 | Fijo | DIGITAL COMUNICATIONS | Othón P. Blanco | Quintana Roo | Chetumal |
| 301 | Fijo | EL PODER DE INTERNET | Othón P. Blanco | Quintana Roo | Chetumal |
| 302 | Fijo | VOZTELECOM | Othón P. Blanco | Quintana Roo | Chetumal |
| 303 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 303 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 304 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 305 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 306 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 307 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 307 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 308 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 309 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 309 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Bacalar |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Chetumal |
| 310 | Fijo | ROBOT | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Bacalar |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Bacalar |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Chetumal |
| 310 | Fijo | ROBOT | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 310 | Fijo | ROBOT | Othón P. Blanco | Quintana Roo | Bacalar |
| 311 | Movil | CABLEVISIONRED | Othón P. Blanco | Quintana Roo | Chetumal |
| 312 | Fijo | SERVICE TRENDS | Othón P. Blanco | Quintana Roo | Chetumal |
| 313 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 313 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 314 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 315 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 316 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 317 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 318 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 319 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 320 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 321 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 322 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 323 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 324 | Movil | CORPORACIÓN NOVAVISIÓN | Othón P. Blanco | Quintana Roo | Chetumal |
| 324 | Movil | CORPORACIÓN NOVAVISIÓN | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 324 | Movil | CORPORACIÓN NOVAVISIÓN | Othón P. Blanco | Quintana Roo | Subteniente lopez |
| 325 | Fijo | TELECO NETWORKS | Othón P. Blanco | Quintana Roo | Chetumal |
| 326 | Fijo | ENTRETENIMIENTO Y TELECOMUNICACIONE | Othón P. Blanco | Quintana Roo | Chetumal |
| 327 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 328 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 329 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 330 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 330 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 331 | Fijo | PROCOM | Othón P. Blanco | Quintana Roo | Chetumal |
| 332 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 333 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 333 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 334 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 335 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 335 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 336 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 337 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 337 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 338 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 339 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 340 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 341 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 342 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 342 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 343 | Fijo | INFORMÁTICA ARQUISYSTEMS | Othón P. Blanco | Quintana Roo | Chetumal |
| 344 | Fijo | NEUROTECH | Othón P. Blanco | Quintana Roo | Chetumal |
| 345 | Fijo | CENTERNEXT | Othón P. Blanco | Quintana Roo | Chetumal |
| 346 | Fijo | LAYER7 | Othón P. Blanco | Quintana Roo | Chetumal |
| 347 | Fijo | TELCOTRADER | Othón P. Blanco | Quintana Roo | Chetumal |
| 348 | Fijo | SANDUR | Othón P. Blanco | Quintana Roo | Chetumal |
| 349 | Fijo | FLYNODE | Othón P. Blanco | Quintana Roo | Chetumal |
| 350 | Fijo | GIRNET | Othón P. Blanco | Quintana Roo | Chetumal |
| 351 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 352 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 353 | Movil | TELCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 354 | Fijo | FOREVERFLOW | Othón P. Blanco | Quintana Roo | Chetumal |
| 355 | Fijo | KARLA_ALICIA | Othón P. Blanco | Quintana Roo | Chetumal |
| 356 | Fijo | ASAL | Othón P. Blanco | Quintana Roo | Chetumal |
| 357 | Fijo | ARDO | Othón P. Blanco | Quintana Roo | Chetumal |
| 358 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 359 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 360 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Bacalar |
| 360 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 361 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 362 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 363 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 364 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 365 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 366 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |