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 |
|---|---|---|---|---|---|
| 252 | Fijo | ROBOT | Cozumel | Quintana Roo | Cozumel |
| 252 | Fijo | ROBOT | Cozumel | Quintana Roo | Cozumel |
| 252 | Fijo | ROBOT | Cozumel | Quintana Roo | Cozumel |
| 253 | Movil | CABLEVISIONRED | Cozumel | Quintana Roo | Cozumel |
| 254 | Fijo | SERVICE TRENDS | Cozumel | Quintana Roo | Cozumel |
| 255 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 255 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 256 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 257 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 258 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 259 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 260 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 261 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 262 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 263 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 264 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 265 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 266 | Fijo | TELIGENTIA | Cozumel | Quintana Roo | Cozumel |
| 267 | Fijo | TELECO NETWORKS | Cozumel | Quintana Roo | Cozumel |
| 268 | Fijo | ENTRETENIMIENTO Y TELECOMUNICACIONE | Cozumel | Quintana Roo | Cozumel |
| 269 | Fijo | CABLEMAS | Cozumel | Quintana Roo | Cozumel |
| 269 | Fijo | CABLEMAS | Cozumel | Quintana Roo | Cozumel |
| 270 | Fijo | PROCOM | Cozumel | Quintana Roo | Cozumel |
| 271 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 272 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 272 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 273 | Fijo | INFORMÁTICA ARQUISYSTEMS | Cozumel | Quintana Roo | Cozumel |
| 274 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 275 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 275 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 276 | Fijo | NEUROTECH | Cozumel | Quintana Roo | Cozumel |
| 277 | Fijo | TELCOTRADER | Cozumel | Quintana Roo | Cozumel |
| 278 | Fijo | SANDUR | Cozumel | Quintana Roo | Cozumel |
| 279 | Fijo | FLYNODE | Cozumel | Quintana Roo | Cozumel |
| 280 | Movil | ALTÁN | Cozumel | Quintana Roo | Cozumel |
| 281 | Fijo | GIRNET | Cozumel | Quintana Roo | Cozumel |
| 282 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 283 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 284 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 285 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 286 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 286 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 287 | Fijo | FOREVERFLOW | Cozumel | Quintana Roo | Cozumel |
| 288 | Fijo | KARLA_ALICIA | Cozumel | Quintana Roo | Cozumel |
| 289 | Fijo | ASAL | Cozumel | Quintana Roo | Cozumel |
| 290 | Fijo | ARDO | Cozumel | Quintana Roo | Cozumel |
| 291 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 292 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 293 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 294 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 295 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 296 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 297 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 297 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 298 | Movil | YONDER | Cozumel | Quintana Roo | Cozumel |
| 299 | Fijo | ANYNESS | Cozumel | Quintana Roo | Cozumel |
| 300 | Fijo | SERVICIO DE TELECABLE DE HUEJUTLA | Cozumel | Quintana Roo | Cozumel |
| 301 | Movil | ESMERO | Cozumel | Quintana Roo | Cozumel |
| 302 | Fijo | NGX NETWORKS | Cozumel | Quintana Roo | Cozumel |
| 303 | Fijo | MCM | Cozumel | Quintana Roo | Cozumel |
| 304 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 305 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 306 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 307 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 308 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 309 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 310 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 311 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 312 | Movil | VIRGIN | Cozumel | Quintana Roo | Cozumel |
| 313 | Fijo | DIGITAL COMUNICATIONS | Cozumel | Quintana Roo | Cozumel |
| 314 | Fijo | TELECOMMERCE HOLDING | Cozumel | Quintana Roo | Cozumel |
| 488 | Fijo | TELMEX | Cozumel | Quintana Roo | Las fincas |
| 564 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 564 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 593 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 593 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 593 | Movil | AT&T | Cozumel | Quintana Roo | Cozumel |
| 596 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 688 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 688 | Fijo | TELMEX | Cozumel | Quintana Roo | San lorenzo |
| 688 | Fijo | TELMEX | Cozumel | Quintana Roo | Huerto familiar |
| 688 | Fijo | TELMEX | Cozumel | Quintana Roo | Las fincas |
| 688 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 689 | Fijo | TELMEX | Cozumel | Quintana Roo | Iberostar |
| 690 | Fijo | MEGACABLE | Cozumel | Quintana Roo | Cozumel |
| 800 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 800 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 800 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 800 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 800 | Movil | TELCEL | Cozumel | Quintana Roo | Cozumel |
| 857 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 857 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 857 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 857 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |
| 869 | Fijo | TELMEX | Cozumel | Quintana Roo | Cozumel |