Fairfield County Post Office

Find Fairfield County Connecticut 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.


Atlantic Street Post Office 421 Atlantic Street Stamford CT 06901 203-323-2453


Barnum Post Office 2253 Fairfield Avenue Bridgeport CT 06605 203-332-2693

Bayview Post Office 115 Boston Avenue Bridgeport CT 06610 203-332-2683

Belden Post Office 2 Belden Avenue Norwalk CT 06850 203-866-1673

Bethel Post Office 10 Library Place Bethel CT 06801 203-748-4741

Botsford Post Office 1 Botsford Hill Road Newtown CT 06470 203-426-4465

Bridgeport Post Office 120 Middle Street Bridgeport CT 06604 203-332-5302

Brookfield Post Office 115 Pocono Road Brookfield CT 06804 203-775-2717

Bulls Head Post Office 19 High Ridge Road Stamford CT 06905 203-321-3910

Camp Avenue Post Office 24 Camp Avenue Stamford CT 06907 203-321-3910

Commerce Post Office 357 Commerce Drive Fairfield CT 06825 203-332-4546

Cos Cob Post Office 152 East Putnam Avenue Greenwich CT 06830 203-869-1470

Danbury Post Office 23 Backus Avenue Danbury CT 06810 203-796-1945

Darien Post Office 30 Corbin Drive Darien CT 06820 203-655-2595

Downtown Post Office 44 Amogerone Crossway Greenwich CT 06830 203-869-3737

Easton Post Office 295 Center Road Easton CT 06612 203-261-8386

Fairfield Post Office 1262 Post Road Fairfield CT 06824 203-332-4547

Georgetown Post Office 65 Georgetown Road Weston CT 06883 203-544-8643

Glenbrook Post Office 370 Hope Street Stamford CT 06906 203-321-3910

Glenville Post Office 25 Glen Ridge Road Greenwich CT 06831 203-531-4146

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.