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Mailing Address:
Operation Serve International
P.O. Box 18070
Fairfield, OH 45018

Phone: 513-939-2000

Email: Click Here to Email OSI

Hours: Monday - Friday from 9-5pm (Eastern Time)

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Operation Serve ® | P.O. Box 18070 | Fairfield, OH 45018 | 513.939.2000
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