Post office in St. Charles

AgentData lists 35 post offices in St. Charles, United States. Updated May 2026.

35 businesses1 with websites
Abell Post Office
Barstow Post Office
Bryantown Post Office
Bushwood Post Office
Chaptico Post Office

25749, Budds Creek Road, Chaptico, 20621, MD

Charlotte Hall Post Office

20622

Compton Post Office
Helen Post Office
Hollywood Post Office
Hughesville Post Office
Loveville Post Office
Lusby Post Office

11575, Lusby Lane, Lusby, 20657, MD

Mechanicsville Post Office

20659

Morganza Post Office;Morganza, MD

20660

ParcelEx

645, North Solomons Island Road, Prince Frederick, 20678, MD

Port Republic Post Office
The UPS Store

22650, Cedar Lane Court, Leonardtown, 20650, MD

The UPS Store

136, West Dares Beach Road, Prince Frederick, 20678, MD

Full profile
UPS WALMD 2059

11855, Pika Drive, Waldorf, 20602, MD

Waldorf Post Office

150, Post Office Road, Waldorf, 20602-9996, MD

Also in St. Charles

Place of worship ()Elementary school ()Fast food restaurant ()Restaurant ()Department store ()Supermarket ()Hair salon ()Pharmacy ()

Post office in nearby cities

Beckley ()Charleston ()Salisbury ()Lincoln ()Clarksburg ()Ottumwa ()Fort Dodge ()Rutland ()

Frequently asked questions

How many post offices are in St. Charles?

AgentData lists 35 post offices in St. Charles as of May 2026.

Which post offices in St. Charles have a website?

1 of 35 post offices in St. Charles have a website with verified contact details.

Is this data free?

Yes. AgentData is completely free — no credit card, no trial period, no paid tiers.

How is this data collected?

Business listings are sourced from OpenStreetMap and verified through our web crawler, which checks websites for email addresses, phone numbers, and technology stacks.

Access this data via API
GET /api/local-businesses?category=post-office&city=st-charles