Campbell County Post Office

Find Campbell County Wyoming 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.


Gillette Post Office 311 South Kendrick Avenue Gillette WY 82716 307-682-3727


Recluse Post Office 485 Recluse Road Recluse WY 82725 307-685-3071

Rozet Post Office 14076 Highway 51 Rozet WY 82727 307-682-3962

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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.