Grant County Post Office

Find Grant 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.


Ashby Post Office 102 Main St Ashby NE 69333 308-577-6359


Hyannis Post Office 116 Main Avenue Hyannis NE 69350 308-458-2792

Whitman Post Office 100 Corrother St Whitman NE 69366 308-544-6454

Post Offices by City

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.