Knox County Post Office

Find Knox County Nebraska 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.


Bloomfield Post Office 105 Main Street Bloomfield NE 68718 402-373-4726


Center Post Office 211 Main Street Center NE 68724 402-288-4436

Creighton Post Office 819 Main Street Creighton NE 68729 402-358-5311

Crofton Post Office 1116 West 2nd Street Crofton NE 68730 402-388-4800

Niobrara Post Office 25410 Park Avenue Niobrara NE 68760 402-857-3577

Verdigre Post Office 408 Main Street Verdigre NE 68783 402-668-2612

Wausa Post Office 612 Broadway Street Wausa NE 68786 402-586-2121

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.