JP Japan Major Regions Postal Code Details
🏛️ 愛媛県 · 四国地方
794-2513
上島町
791-1206
久万高原町
799-2106
今治市
799-3114
伊予市
796-0503
伊方町
796-0026
八幡浜市
795-0302
内子町
799-0412
四国中央市
795-0042
大洲市
798-0212
宇和島市
798-4105
愛南町
792-0854
新居浜市
791-0323
東温市
791-3154
松前町
790-0012
松山市
798-2111
松野町
791-2135
砥部町
797-1701
西予市
799-1372
西条市
798-1367
鬼北町
📮JP Japan Regional Postal Code FAQ & Postal Regulations
🔢 How many digits are in a Japanese postal code?
Japanese postal codes consist of 7 digits in XXX-XXXX format (e.g., 100-8994).
🌍 Are extra markings needed for international mail?
Yes, for mail to Japan, add 'JAPAN' in English on the last address line, while keeping the 7-digit postal code.
❓ How to find an unknown postal code?
Use Japan Post's official postal code search (jp.postcode.com) or Google "住所 郵便番号" + address keywords.
📮 Will a wrong postal code delay delivery?
If the full address is correct, delivery may succeed but will be significantly delayed. Verify codes via Japan Post's address correction system.
🔄 Do postal codes ever change?
Yes, codes may update due to administrative changes. Always refer to the latest annual "Postal Code Directory" by Japan Post.