United States Postal Service
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The Sayville post office offers a variety of services including passport applications and P.O. boxes.
130 Greene Ave, Sayville, NY 11782
- Fax: 631-589-4571
- Accessibility Details: Street access
- Hours: Monday - Friday 9 a.m. - 5 p.m.; Saturday 9 a.m. - 2 p.m.
Last collection: Monday - Friday 5 p.m. and Saturday 3 p.m.
- Hours: Mon - Fri, 11am - 5pm; Sat, Sun, closed
- Accessible: yes