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Japan Post Holdings Customer Care No.
Updated on Wednesday, 10 June 2026 - 4:46pm
International Numbers:
+0120-5931-55 (For Customer Support)
+0570-046-111 (For Customer Support in English)
Website:
Official Website
Android App:
Japan Post Holdings Official App Important Links
Head Office
Japan Post Holdings Co. Ltd.,
2-3-1 Otemachi, Chiyoda-ku,
Tokyo, 100-8791, Japan
Contact No.: 03-3477-0111
