United States Postal Service
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The U.S. Postal Service provides international mailing services and is a federally funded branch of the government. Its Miller Place office is conveniently located on Echo Avenue. The lobby is open until 5pm weekdays and 1pm on Saturday.
47 Echo Ave, Miller Place, NY 11764
- Hours: Mon - Fri, 8am - 5pm; Sat, 8am - 1pm; Sun, closed