Post Offices List in Toa Baja Municipio County, Puerto Rico:
| Sabana Seca Post Office | 100 Carr 866, Sabana Seca, PR 00952 |
| Toa Baja Post Office | 600 Calle Dr Hernan Cortes Ste 1, Toa Baja, PR 00949 |
| Toa Baja Pueblo Post Office | 100 Ave Luis Munoz Rivera, Toa Baja, PR 00949 |