7 Nihon Ohdori, Naka-ku, Yokohama City, Kanagawa, Japan 231-0021
| Administrative Headquarters General Affairs Division | TEL: +81-45-671-5330 | FAX: +81-45-671-5333 | 
| Administrative Headquarters Personnel Division | TEL: +81-45-671-5335 | FAX: +81-45-671-5333 | 
| Administrative Headquarters Information Systems Division | TEL: +81-45-671-5391 | FAX: +81-45-671-1392 | 
| Finance Finance Division Finance & Accounting Headquarters | TEL: +81-45-671-5323 | FAX: +81-45-671-5327 | 
| Accounting Division Finance & Accounting Headquarters | TEL: +81-45-671-5316 | FAX: +81-45-671-5327 | 
| Marine Logistics Business Headquarters Port Division | TEL: +81-45-212-1275 | FAX: +81-45-681-6669 |