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Guest Service Hotline
 

Guest Service Hotline

Hilton San Francisco Union Square provides a 24-hour priority service line, and can be reached by simply dialing extension “55”. Our team members will expedite any requests or concerns, offer referrals, and provide quick and effective resolutions to any challenges you may encounter.


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Hilton San Francisco Union Square | 333 O'Farrell Street, San Francisco, California 94102 | 415 771 1400