21631 Post Office

Find 21631 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.


Callaway Post Office 20293 Piney Point Road Callaway MD 20620 39.9 miles from 21631 301-994-1183


Dunkirk Post Office 10383 Southern Maryland Boulevard Dunkirk MD 20754 40.0 miles from 21631 301-855-5384

Ridge Post Office 13274 Point Lookout Road Ridge MD 20680 40.1 miles from 21631 301-872-5864

West River Post Office 134 Owensville Road West River MD 20778 40.1 miles from 21631 301-261-5036

Benedict Post Office 7240 Benedict Avenue Benedict MD 20612 40.2 miles from 21631 301-274-3337

Pocomoke City Post Office 207 Market Street Pocomoke MD 21851 40.4 miles from 21631 410-957-1620

Drayden Post Office 18552 Cherryfield Road Drayden MD 20630 40.5 miles from 21631 301-994-0430

Annapolis Post Office 1 Church Circle Annapolis MD 21401 40.5 miles from 21631 410-263-9291

Snow Hill Post Office 306 North Washington Street Snow Hill MD 21863 40.7 miles from 21631 410-632-1275

Ewell Post Office 20925 Caleb Jones Road Smith Island MD 21824 40.9 miles from 21631 410-425-5751

Edgewater Post Office 39 Stepney Lane Edgewater MD 21037 41.2 miles from 21631 410-956-2088

Valley Lee Post Office 45150 Blake Creek Road Valley Lee MD 20692 41.3 miles from 21631 301-994-0802

Nassau Post Office 5 Point Drive Lewes DE 19958 41.4 miles from 21631 302-645-2565

Rock Hall Post Office 5691 Liberty Street Rock Hall MD 21661 41.4 miles from 21631 410-639-7054

Bishopville Post Office 10656 Bishopville Road Bishopville MD 21813 41.4 miles from 21631 410-352-5733

Legion Avenue Post Office 210 Legion Avenue Annapolis MD 21401 41.5 miles from 21631 410-573-6537

Harwood Post Office 4450 Solomons Island Road Harwood MD 20776 41.6 miles from 21631 410-867-3800

Crisfield Post Office 400 West Main Street Crisfield MD 21817 41.7 miles from 21631 410-968-1550

Sudlersville Post Office 117 South Church Street Sudlersville MD 21668 41.9 miles from 21631 410-438-3616

Newark Post Office 8420 Newark Road Newark MD 21841 41.9 miles from 21631 410-632-3312

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.