The following are the zip codes in the municipalities of Davao Oriental.
| Region | Provinces | City/Municipality | Zip Code |
| Region 11 (Davao Region) | Davao Oriental | Baganga | 8204 |
| Region 11 (Davao Region) | Davao Oriental | Banaybanay | 8208 |
| Region 11 (Davao Region) | Davao Oriental | Boston | 8206 |
| Region 11 (Davao Region) | Davao Oriental | Caraga | 8203 |
| Region 11 (Davao Region) | Davao Oriental | Cateel | 8205 |
| Region 11 (Davao Region) | Davao Oriental | Gov. Generoso | 8210 |
| Region 11 (Davao Region) | Davao Oriental | Lupon | 8207 |
| Region 11 (Davao Region) | Davao Oriental | Manay | 8202 |
| Region 11 (Davao Region) | Davao Oriental | Mati | 8200 |
| Region 11 (Davao Region) | Davao Oriental | San Isidro | 8209 |
| Region 11 (Davao Region) | Davao Oriental | Tarragona | 8201 |
