South Portland Post Office

Find South Portland Maine 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.


South Portland Post Office 15 Cottage Road South Portland ME 04106 207-871-8451


Station A Post Office 622 Congress Street Portland ME 04101 1.9 miles from South Portland 207-871-8437

Portland Post Office 125 Forest Avenue Portland ME 04101 2.1 miles from South Portland 207-871-8519

Downtown Station Post Office 400 Congress Street Portland ME 04101 2.3 miles from South Portland 207-761-0267

Scarborough Post Office 31 Gorham Road Scarborough ME 04074 3.6 miles from South Portland 207-883-6154

Peaks Island Post Office 66 Island Avenue Portland ME 04108 4.7 miles from South Portland 207-766-2912

Westbrook Post Office 775 Main Street Westbrook ME 04092 4.9 miles from South Portland 207-871-8437

Long Island Post Office 280 Island Avenue Long Island ME 04050 7.1 miles from South Portland 207-766-3367

Gorham Post Office 1 Post Office Sq Gorham ME 04038 8.6 miles from South Portland 207-839-3591

Old Orchard Beach Post Office 2 Cascade Road Old Orchard Beach ME 04064 8.8 miles from South Portland 207-934-4401

Cliff Island Post Office 11 Sunset Rd Unit 1 Cliff Island ME 04019 10.0 miles from South Portland 207-766-2051

South Windham Post Office 57 Main Street Windham ME 04062 10.3 miles from South Portland 207-892-6011

Chebeague Island Post Office 24 Niblic Circle Chebeague Island ME 04017 11.0 miles from South Portland 207-846-5820

Cumberland Center Post Office 1 Farwell Avenue Cumberland Center ME 04021 11.8 miles from South Portland 207-829-3661

Saco Post Office 225 Main Street Saco ME 04072 12.2 miles from South Portland 207-284-7611

East Baldwin Post Office 213 Pequawket Trl ME 04024 12.4 miles from South Portland 207-787-2544

Harpswell Post Office 1212 Harpswell Neck Rd ME 04079 12.4 miles from South Portland 207-833-5526

Biddeford Post Office 100 Alfred Street Biddeford ME 04005 12.9 miles from South Portland 207-283-8565

Yarmouth Post Office 36 Forest Falls Drive Yarmouth ME 04096 13.0 miles from South Portland 207-846-4211

Biddeford Pool Post Office 8 L.B. Orcutt Boulevard Biddeford ME 04005 13.2 miles from South Portland 207-282-6686

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.