21740 Post Office

Find 21740 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.


Hagerstown Post Office 44 West Franklin Street Hagerstown MD 21740 301-797-8100


Funkstown Post Office 29 Frederick Road Funkstown MD 21734 2.7 miles from 21740 301-797-7331

Northern Post Office 12912 Conamar Drive Hagerstown MD 21742 3.4 miles from 21740 301-733-9195

Maugansville Post Office 13809 Maugansville Road Maugansville MD 21767 4.3 miles from 21740 301-797-2131

Williamsport Post Office 28 West Salisbury Street Williamsport MD 21795 4.8 miles from 21740 301-223-7007

Chewsville Post Office 21106 Twin Springs Drive Smithsburg MD 21783 5.9 miles from 21740 301-733-8690

Fairplay Post Office 8215 Sharpsburg Pike Fairplay MD 21733 6.4 miles from 21740 301-582-0559

State Line Post Office 15753 Pennsylvania Avenue North Greencastle PA 17225 6.6 miles from 21740 717-597-2240

Falling Waters Post Office 9853 Williamsport Pike Falling Waters WV 25419 6.7 miles from 21740 304-274-2091

Cavetown Post Office 22509 Cavetown Church Road Smithsburg MD 21783 8.5 miles from 21740 301-824-5230

Smithsburg Post Office 43 Grove Lane Smithsburg MD 21783 9.4 miles from 21740 301-824-2828

Boonsboro Post Office 5 Potomac Street Boonsboro MD 21713 9.9 miles from 21740 301-432-6861

Clear Spring Post Office 21 Mulberry Street Clear Spring MD 21722 10.1 miles from 21740 301-842-2381

Keedysville Post Office 21 South Main Street Keedysville MD 21756 10.3 miles from 21740 301-432-5636

Shady Grove Post Office 1814 Buchanan Trail East Shady Grove PA 17256 10.8 miles from 21740 717-597-8532

Greencastle Post Office 2 North Washington Street Greencastle PA 17225 11.0 miles from 21740 717-597-3164

Zullinger Post Office 5012 Buchanan Trail East Waynesboro PA 17268 11.4 miles from 21740 717-762-9644

Sharpsburg Post Office 118 East Chapline Street Sharpsburg MD 21782 11.9 miles from 21740 301-432-6554

Waynesboro Post Office 118 East Main Street Waynesboro PA 17268 12.3 miles from 21740 717-762-1513

Myersville Post Office 1 Wolfsville Road Myersville MD 21773 12.8 miles from 21740 301-293-1180

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.