21912 Post Office

Find 21912 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.


Warwick Post Office 77 Main Street Warwick MD 21912 410-755-6744


Cecilton Post Office 128 West Main Street Cecilton MD 21913 2.9 miles from 21912 410-275-8417

Georgetown Post Office 7480 Augustine Herman Highway Georgetown MD 21930 5.1 miles from 21912 410-275-8175

Earleville Post Office 1244 Crystal Beach Road Earleville MD 21919 6.0 miles from 21912 410-275-8400

Middletown Post Office 298 East Main Street Middletown DE 19709 6.3 miles from 21912 302-378-3026

Galena Post Office 124 West Cross Street Galena MD 21635 6.4 miles from 21912 410-648-5783

Townsend Post Office 400 Main Street Townsend DE 19734 6.9 miles from 21912 302-378-2592

Chesapeake City Post Office 2551 Augustine Herman Highway Chesapeake City MD 21915 7.0 miles from 21912 410-885-2110

Massey Post Office 12139 Galena Road Massey MD 21650 7.7 miles from 21912 410-928-5380

Odessa Post Office 312 Main Street Odessa DE 19730 8.9 miles from 21912 302-378-2047

Millington Post Office 412 Cypress Street Millington MD 21651 11.1 miles from 21912 410-928-3909

Kirkwood Post Office 2501 Red Lion Road Kirkwood DE 19708 12.3 miles from 21912 302-834-9487

Kennedyville Post Office 11959 Augustine Herman Highway Kennedyville MD 21645 12.3 miles from 21912 410-348-5913

Elkton Post Office 137 West Main Street Elkton MD 21921 13.0 miles from 21912 410-398-4040

Saint Georges Post Office 201 Broad Street St. Georges DE 19733 13.1 miles from 21912 302-834-9075

Clayton Post Office 12 Railroad Avenue Clayton DE 19938 13.2 miles from 21912 302-653-7376

Betterton Post Office 3 3rd Avenue Betterton MD 21610 13.5 miles from 21912 410-348-5153

Crumpton Post Office 213 Broad Street Crumpton MD 21628 13.6 miles from 21912 410-928-5183

Charlestown Post Office 241 Market Street Charlestown MD 21914 13.6 miles from 21912 410-287-2560

North East Post Office 406 South Main Street North East MD 21901 13.9 miles from 21912 410-287-6644

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.