| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Suwacho (飯田市) | 395-0018 |
| Postal/ZIP Codes in Suzukacho (飯田市) | 395-0084 |
| Postal/ZIP Codes in Takahacho (飯田市) | 395-0051 |
| Postal/ZIP Codes in Takesa (飯田市) | 395-0242 |
| Postal/ZIP Codes in Takinosawa (飯田市) | 395-0048 |
| Postal/ZIP Codes in Tateishi (飯田市) | 399-2433 |
| Postal/ZIP Codes in Tatsue (飯田市) | 399-2221 |
| Postal/ZIP Codes in Temmacho (飯田市) | 395-0016 |
| Postal/ZIP Codes in Toeicho (飯田市) | 395-0024 |
| Postal/ZIP Codes in Tokimata (飯田市) | 399-2563 |
| Postal/ZIP Codes in Tokiwamachi (飯田市) | 395-0033 |
| Postal/ZIP Codes in Toraiwa (飯田市) | 399-2601 |
| Postal/ZIP Codes in Torimachi (飯田市) | 395-0043 |
| Postal/ZIP Codes in Toshincho (飯田市) | 395-0017 |
| Postal/ZIP Codes in Towacho (飯田市) | 395-0086 |
| Postal/ZIP Codes in Yamamoto (飯田市) | 395-0244 |
| Postal/ZIP Codes in Yamamotofutatsuyamadanchi (飯田市) | 395-0245 |
| Postal/ZIP Codes in Yawatamachi (飯田市) | 395-0814 |
| Postal/ZIP Codes in Zakoji (飯田市) | 395-0001 |