New Haven County Post Office

Find New Haven 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.

Allingtown Post Office 75 Farwell Street West Haven CT 06516 203-937-7718

Amity Retail Store Post Office 1449 Whalley Avenue New Haven CT 06515 203-389-9881

Ansonia Post Office 237 Main Street Ansonia CT 06401 203-734-6818

Baybrook Station Post Office 14 Ocean Avenue West Haven CT 06516 203-931-0899

Beacon Falls Post Office 101 North Main Street Beacon Falls CT 06403 203-729-2341

Branford Post Office 35 Park Place Branford CT 06405 203-488-0663

Cheshire Post Office 210 Maple Avenue Cheshire CT 06410 203-272-3594

Derby Post Office 74 Olivia Street Derby CT 06418 203-734-0735

Devon Post Office 548 Naugatuck Avenue Milford CT 06460 203-876-6180

Downtown Milford Post Office 6 West River Street Milford CT 06460 203-876-6180

East End Post Office 159 Manor Avenue Waterbury CT 06705 203-574-6512

Fair Haven Post Office 230 Grand Avenue New Haven CT 06513 203-773-3538

Federal Post Office 754 Chapel Street New Haven CT 06510 203-782-7007

Guilford Post Office 42 Water Street Guilford CT 06437 203-453-2429

Hamden Post Office 1744 Dixwell Avenue Hamden CT 06514 203-281-4573

Kilby Post Office 369 Washington Avenue New Haven CT 06519 203-782-3717

Lakewood Post Office 797 Lakewood Road Waterbury CT 06704 203-757-7511

Madison Post Office 20 State Street Guilford CT 06437 315-893-1831

Madison Post Office 781 Boston Post Road Madison CT 06443 203-245-2394

Meriden Post Office 190 Center Street Meriden CT 06450 203-235-5755

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.