Johnson County Post Office

Find Johnson County Iowa 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.


Coralville Post Office 420 10th Avenue Coralville IA 52241 319-354-1061


Hills Post Office 14 East Avenue Hills IA 52235 319-679-2201

Iowa City Post Office 400 South Clinton Street Iowa IA 52240 319-354-1560

Lone Tree Post Office 104 North Devoe Street South Lone Tree IA 52755 319-629-5231

North Liberty Post Office 75 Commercial Drive North Liberty IA 52317 319-626-2940

Oxford Post Office 101 East Main Street Oxford IA 52322 319-828-4407

Solon Post Office 1100 South Market Street Solon IA 52333 319-624-2542

Swisher Post Office 401 Division Street Northwest Swisher IA 52338 319-857-4194

Tiffin Post Office 484 State Street Tiffin IA 52340 319-545-2729

About Johnson County Post Offices

Johnson County Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Johnson County, IA. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Johnson County post offices are supported entirely by revenues generated by their own operations. Operational authority over the USPS lies with a Board of Governors and rate setting authority falls under the Postal Rate Commission.

You may contact the Post Office for questions about:
  • Johnson County Post Office hours and locations
  • Mail and package delivery services
  • Johnson County PO Box services
  • Passport applications and renewals
  • Johnson County Post Office jobs and employment
USPS Mail Services

The USPS uses a vast network of Post Offices, Processing and Distribution Centers, Priority Mail Processing Centers, Air Mail Centers, and Bulk Mail Centers to sort, process, distribute, and deliver mail. Johnson County Post Offices serve as one of the primary points of customer contact in the mail delivery process.

Johnson County Mail Delivery Services

Post Offices in Johnson County accept mail and packages from senders, offering a range of mailing and pricing options. The most common form of mail delivery, and one for which the Johnson County USPS has a legal monopoly, is residential first-class mail. First-class mail is designed for envelopes and lightweight packages, and it provides delivery to any location in the U.S. at a flat rate of one first-class mail stamp. Multiple other mailing options are available for letters and packages of any size. Priority mail options provide faster delivery at a higher cost than first-class mail. Johnson County Post Offices sell stamps, shipping supplies, and certain collectors' and gift items. Customers can also choose Registered, Certified, and Return Receipt mail for varying degrees of verification of an item's delivery. Post Offices also sell money orders. Shipping and customs forms are also available at Johnson County Post Offices.

Johnson County PO Boxes

Businesses and residential customers can also use the Post Office to receive their mail instead of choosing delivery to their door. Post Office Boxes, also called P.O. Boxes, are available for rent in multiple sizes for a monthly rental fee.

Johnson County Passport Applications & Renewals

The Johnson County Post Office provides passport services. Passport services in Johnson County may include help with renewing passports, applying for a new passport, changing names on a passport, and processing expedited passport services. Passport acceptance services provided by Johnson County Post Offices often require having a scheduled appointment.