| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Others (館林市) | 374-0000 |
| Postal/ZIP Codes in Oyacho (館林市) | 374-0054 |
| Postal/ZIP Codes in Sakaecho (館林市) | 374-0052 |
| Postal/ZIP Codes in Sakashitacho (館林市) | 374-0069 |
| Postal/ZIP Codes in Sedoyacho (館林市) | 374-0021 |
| Postal/ZIP Codes in Shimomibayashicho (館林市) | 374-0044 |
| Postal/ZIP Codes in Shimosagawadacho (館林市) | 374-0071 |
| Postal/ZIP Codes in Shinjuku (館林市) | 374-0026 |
| Postal/ZIP Codes in Shinsakaecho (館林市) | 374-0051 |
| Postal/ZIP Codes in Shiromachi (館林市) | 374-0018 |
| Postal/ZIP Codes in Suwacho (館林市) | 374-0036 |
| Postal/ZIP Codes in Takanecho (館林市) | 374-0074 |
| Postal/ZIP Codes in Tayacho (館林市) | 374-0002 |
| Postal/ZIP Codes in Togocho (館林市) | 374-0006 |
| Postal/ZIP Codes in Tsutsujicho (館林市) | 374-0017 |
| Postal/ZIP Codes in Wakamiyacho (館林市) | 374-0007 |
| Postal/ZIP Codes in Yotsuyacho (館林市) | 374-0003 |