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 |
|---|---|---|---|---|---|
| 228 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 229 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 230 | Fijo | VINOC | Othón P. Blanco | Quintana Roo | Chetumal |
| 231 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 232 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 233 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 234 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 235 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 236 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 236 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 237 | Movil | AXTEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 238 | Fijo | CLEARCOM | Othón P. Blanco | Quintana Roo | Chetumal |
| 239 | Fijo | TELECOMMERCE | Othón P. Blanco | Quintana Roo | Chetumal |
| 240 | Fijo | MBT | Othón P. Blanco | Quintana Roo | Chetumal |
| 241 | Movil | ALTCEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 241 | Movil | ALTCEL | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 241 | Movil | ALTCEL | Othón P. Blanco | Quintana Roo | Subteniente lopez |
| 242 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 243 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 243 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 244 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 245 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 246 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 247 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 248 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 249 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 249 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 250 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 250 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 251 | Movil | ADDINTELI | Othón P. Blanco | Quintana Roo | Chetumal |
| 252 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 253 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 254 | Movil | ALTÁN | Othón P. Blanco | Quintana Roo | Chetumal |
| 255 | Fijo | COEFICIENTE | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 256 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 256 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 257 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 258 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 258 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 259 | Movil | FREEDOMPOP | Othón P. Blanco | Quintana Roo | Chetumal |
| 259 | Movil | FREEDOMPOP | Othón P. Blanco | Quintana Roo | Chetumal |
| 259 | Movil | FREEDOMPOP | Othón P. Blanco | Quintana Roo | Chetumal |
| 259 | Movil | FREEDOMPOP | Othón P. Blanco | Quintana Roo | Chetumal |
| 259 | Movil | FREEDOMPOP | Othón P. Blanco | Quintana Roo | Chetumal |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Bacalar |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Chetumal |
| 260 | Fijo | OPENIP | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Bacalar |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Chetumal |
| 260 | Fijo | OPENIP | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Bacalar |
| 260 | Fijo | OPENIP | Othón P. Blanco | Quintana Roo | Chetumal |
| 261 | Movil | VADSA | Othón P. Blanco | Quintana Roo | Chetumal |
| 261 | Fijo | VADSA | Othón P. Blanco | Quintana Roo | Chetumal |
| 262 | Fijo | INBTEL | Othón P. Blanco | Quintana Roo | Chetumal |
| 263 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 263 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 264 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 265 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 266 | Fijo | COMUNICALO | Othón P. Blanco | Quintana Roo | Chetumal |
| 267 | Fijo | TELMEX | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 267 | Fijo | TELMEX | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 267 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 267 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 267 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 267 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Mahahual |
| 267 | Fijo | TELMEX | Calakmul | Campeche | Xpujil |
| 268 | Movil | ABIX | Felipe Carrillo Puerto | Quintana Roo | Felipe carrillo puerto |
| 269 | Movil | OXIO | Othón P. Blanco | Quintana Roo | Chetumal |
| 270 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 271 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 272 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 273 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 273 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 274 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 274 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 274 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 275 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 276 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 277 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 278 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 278 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 279 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 280 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 281 | Fijo | TELECOMMERCE | Othón P. Blanco | Quintana Roo | Chetumal |
| 282 | Fijo | CL3ARCOM | Othón P. Blanco | Quintana Roo | Chetumal |
| 282 | Fijo | CL3ARCOM | Othón P. Blanco | Quintana Roo | Chetumal |
| 283 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 284 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Calderitas |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Calderitas |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 285 | Fijo | TELMEX | Othón P. Blanco | Quintana Roo | Chetumal |
| 286 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 286 | Movil | AT&T | Othón P. Blanco | Quintana Roo | Chetumal |
| 287 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |
| 287 | Fijo | CABLEMAS | Othón P. Blanco | Quintana Roo | Chetumal |