United States Postal Service
Main:
(800) 275-8777
Alt: (631) 727-1019
Fax: (631) 208-0951
Alt: (631) 727-1019
Fax: (631) 208-0951
1210 W Main St, Riverhead, New York, 11901
Business hours
| Monday | 8:30am to 6:00pm |
| Tuesday | 8:30am to 6:00pm |
| Wednesday | 8:30am to 6:00pm |
| Thursday | 8:30am to 6:00pm |
| Friday | 8:30am to 6:00pm |
| Saturday | 9:00am to 2:00pm |
| Sunday | - |
About us
Visit your local Post Office™ at 1210 W Main St to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
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