Post office in Ottawa

AgentData lists 30 post offices in Ottawa, United States. Updated May 2026.

30 businesses2 with websites
Bureau Post Office

Bureau, IL

Cherry Post Office

102, North Main Street, Cherry, 61317, IL

Dwight Post Office

East Mazon Avenue, Dwight, 60420, IL

LaSalle Downtown Post Office

427, 1st Street, LaSalle, 61301, IL

Full profile
LaSalle Post Office

2950, Chartres Street, LaSalle, 61301, IL

Long Point Post Office

414, South Main Street

Marseilles Post Office

Washington Street, Marseilles, 61341, IL

Mendota Post Office

Washington Street, Mendota, 61342, IL

Oglesby Post Office

West Walnut Street, Oglesby, 61348, IL

Peru Post Office

1500, 4th Street, Peru, 61354, IL

Full profile
Post Office

200, West Winthrop Street, Earlville, 60518, IL

Putnam Post Office
Serena Post Office

3809, East 2276th Road, Serena, 60549, IL

Serena Post Office
Spring Valley Post Office

Spring Valley, 61362, IL

Standard Post Office

61363-7500

Triumph Post Office

Triumph, IL

Wedron Post Office

Wedron, IL

Wedron,IL 60557

Also in Ottawa

Place of worship ()Elementary school ()Fast food restaurant ()Restaurant ()Fuel supplier ()Convenience store ()Private sector bank ()Library ()

Post office in nearby cities

Beckley ()Charleston ()Salisbury ()Williamsburg ()Rutland ()Ottumwa ()Lincoln ()Clarksburg ()

Frequently asked questions

How many post offices are in Ottawa?

AgentData lists 30 post offices in Ottawa as of May 2026.

Which post offices in Ottawa have a website?

2 of 30 post offices in Ottawa 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=ottawa-us