| Locality | Post Code |
|---|---|
| Basoreachi, Guachochi | 33198 |
| Basuchi, Guachochi | 33190, 33194, 33195, 33198 |
| Bataqueachi (Batagueachi), Guachochi | 33193 |
| Batayeachi, Guachochi | 33188 |
| Batigochi, Guachochi | 33194 |
| Batire (Baquiriachi), Guachochi | 33188 |
| Batosegachi, Guachochi | 33190 |
| Baturabo, Guachochi | 33196 |
| Bautirachi, Guachochi | 33194 |
| Bechore, Guachochi | 33196 |
| Betebachi, Guachochi | 33193 |
| Beterachi, Guachochi | 33197 |
| Betevachi, Guachochi | 33195 |
| Bicuechi, Guachochi | 33195 |
| Biribeachi (Baribeachi), Guachochi | 33193 |
| Bisomachi, Guachochi | 33193 |
| Bitorachi, Guachochi | 33196 |
| Bitozachi, Guachochi | 33188 |
| Boagarachi, Guachochi | 33197 |
| Bochinachi, Guachochi | 33186 |
| Bocomova, Guachochi | 33196 |
| Bocoyna, Guachochi | 33190, 33198 |
| Boquimoba, Guachochi | 33194, 33195, 33196, 33197, 33198 |
| Boquimona, Guachochi | 33194 |
| Boquimova, Guachochi | 33190 |
| Boquirare, Guachochi | 33196 |