Carter County Post Office

Find Carter County Missouri 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.


Ellsinore Post Office 1 East North Avenue Ellsinore MO 63937 573-322-5427


Fremont Post Office 303 3rd Street Fremont MO 63941 573-251-3525

Grandin Post Office 406 5th Street Grandin MO 63943 573-593-4332

Van Buren Post Office 307 Oliver Street Van Buren MO 63965 573-323-4703

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.