Unionville Post Office

Find Unionville New York post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Sloatsburg Post Office 39 Orange Turnpike Sloatsburg NY 10974 21.7 miles from Unionville 845-753-8431


Maybrook Post Office 207 Homestead Avenue Maybrook NY 12543 21.7 miles from Unionville 845-427-2891

Shohola Post Office 118 Richardson Avenue Shohola PA 18458 21.9 miles from Unionville 570-559-7475

Burlingham Post Office 709 Burlingham Road Pine Bush NY 12566 22.0 miles from Unionville 845-733-1811

Thompson Ridge Post Office 49 County Hwy 17 Thompson Ridge NY 10985 22.0 miles from Unionville 845-361-1525

Wanaque Post Office 500 Ringwood Avenue Wanaque NJ 07465 22.3 miles from Unionville 973-835-5674

Rock Hill Post Office 240 Rock Hill Drive Rock Hill NY 12775 22.4 miles from Unionville 845-796-4535

Barryville Post Office 6 County Road 21 Barryville NY 12719 22.5 miles from Unionville 845-557-8412

Summitville Post Office 3868 U.s. 209 Wurtsboro NY 12790 22.5 miles from Unionville 845-888-2213

Washingtonville Post Office 22 Brotherhood Plaza Drive Washingtonville NY 10992 22.5 miles from Unionville 845-496-1129

Eldred Post Office 12 Proctor Road Eldred NY 12732 22.7 miles from Unionville 845-557-8421

Rock Tavern Post Office 1964 Little Britain Road Rock Tavern NY 12575 22.7 miles from Unionville 845-496-4017

Montgomery Post Office 218 Boyd Street Montgomery NY 12549 22.8 miles from Unionville 845-457-1403

Highland Mills Post Office 547 New York 32 Woodbury NY 10930 22.9 miles from Unionville 845-928-6625

Middleville Post Office 904 County Road 521 Newton NJ 07860 23.1 miles from Unionville 973-383-8544

Central Valley Post Office 28 Smith Clove Road Woodbury NY 10917 23.1 miles from Unionville 845-928-6016

Haskell Post Office 1108 Ringwood Avenue Wanaque NJ 07420 23.4 miles from Unionville 973-835-3762

Andover Post Office 5 Lenape Road Andover NJ 07821 23.6 miles from Unionville 973-786-5651

Butler Post Office 180 Main Street Butler NJ 07405 23.6 miles from Unionville 973-839-8323

Bloomingdale Post Office 126 Main Street Bloomingdale NJ 07403 23.8 miles from Unionville 973-838-2904

About Post Offices

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.