The following are the zip codes in the municipalities and cities of Sorsogon.
| Region | Provinces | City/Municipality | Zip Code |
| Region 5 (Bicol Region) | Sorsogon | Irosin | 4707 |
| Region 5 (Bicol Region) | Sorsogon | Juban | 4703 |
| Region 5 (Bicol Region) | Sorsogon | Magallanes | 4705 |
| Region 5 (Bicol Region) | Sorsogon | Matnog | 4708 |
| Region 5 (Bicol Region) | Sorsogon | Pilar | 4714 |
| Region 5 (Bicol Region) | Sorsogon | Prieto Diaz | 4711 |
| Region 5 (Bicol Region) | Sorsogon | Sorsogon | 4700 |
| Region 5 (Bicol Region) | Sorsogon | Sta. Magdalena | 4709 |
| Region 5 (Bicol Region) | Sorsogon | Bacon | 4701 |
| Region 5 (Bicol Region) | Sorsogon | Barcelona | 4712 |
| Region 5 (Bicol Region) | Sorsogon | Bulan | 4706 |
| Region 5 (Bicol Region) | Sorsogon | Bulusan | 4704 |
| Region 5 (Bicol Region) | Sorsogon | Casiguran | 4702 |
| Region 5 (Bicol Region) | Sorsogon | Castilla | 4713 |
| Region 5 (Bicol Region) | Sorsogon | Donsol | 4715 |
| Region 5 (Bicol Region) | Sorsogon | Gubat | 4710 |
