11713 Post Office

Find 11713 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.


Wading River Post Office 1816 Wading River Manor Road Wading River NY 11792 12.7 miles from 11713 631-929-0219


Speonk Post Office 323 Montauk Highway Remsenburg-Speonk NY 11972 12.7 miles from 11713 631-325-1741

Niagara University Post Office 1 Sophomore Lane Stony Brook NY 11790 13.0 miles from 11713 716-285-2655

Federal Court House Post Office 101 Federal Plaza Central Islip NY 11722 13.1 miles from 11713 631-715-0001

East Islip Post Office 11 Greenwood Avenue East Islip NY 11730 13.1 miles from 11713 631-581-7807

Central Islip Post Office 110 East Suffolk Avenue Central Islip NY 11722 13.2 miles from 11713 631-234-0547

Saint James Post Office 325 Lake Avenue St. James NY 11780 13.2 miles from 11713 631-584-4138

Islip Terrace Post Office 136 Carleton Avenue Islip Terrace NY 11752 13.3 miles from 11713 631-581-7894

Port Jefferson Post Office 407 East Main Street Port Jefferson NY 11777 13.4 miles from 11713 631-473-1065

Smithtown Post Office 25 Route 111 Smithtown NY 11787 13.9 miles from 11713 631-360-6709

East Setauket Post Office 450 Route 25A Setauket-East Setauket NY 11733 14.0 miles from 11713 631-941-4005

Hauppauge Post Office 960 Wheeler Road Hauppauge NY 11788 14.1 miles from 11713 631-360-6712

Ocean Beach Post Office 315 Cottage Walk Ocean Beach NY 11770 14.3 miles from 11713 631-583-7368

Stony Brook Post Office 129 Main Street Stony Brook NY 11790 14.5 miles from 11713 631-751-5691

Calverton Post Office 3690 Middle Country Road Calverton NY 11933 14.7 miles from 11713 631-727-0067

Setauket Post Office 101 Main Street Setauket-East Setauket NY 11733 14.7 miles from 11713 631-941-4042

Islip Post Office 309 Main Street Islip NY 11751 14.8 miles from 11713 631-581-7931

Westhampton Post Office 408 Mill Road Westhampton NY 11977 15.2 miles from 11713 631-288-4081

Westhampton Beach Post Office 170 Main Street Westhampton Beach NY 11978 16.0 miles from 11713 631-288-4093

Brentwood Post Office 25 2nd Street Brentwood NY 11717 16.2 miles from 11713 631-273-0947

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.