Postal codes in Matsukawa-mura, Kitaazumi-gun, Nagano
長野県北安曇郡松川村 — 1 postal code. General code: 399-8501. Local government code 20482.
| Postal code | Town / English address |
|---|---|
| 399-8501 | (entire municipality) （全域） Matsukawa-mura, Kitaazumi-gun, Nagano 399-8501, Japan |
Source: Japan Post postal code data (UTF-8 edition, updated Aug 31, 2026) and romanized edition (KEN_ALL_ROME, June 2025). Japan Post does not claim copyright on postal code data and allows free redistribution. Romaji follows Japan Post (long vowels are not marked). * = romanized by this site from the kana reading because the town is not yet in the romanized edition.