Madison County Post Office

Find Madison 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.


Earlham Post Office 125 East 1st Street Earlham IA 50072 515-758-2118


Macksburg Post Office 104 East North Street Macksburg IA 50155 641-768-2465

Saint Charles Post Office 129 West Main Street St. Charles IA 50240 641-396-2585

Truro Post Office 200 E N St Truro IA 50257 641-765-4804

Winterset Post Office 120 North 2nd Avenue Winterset IA 50273 515-462-3030

About Madison County Post Offices

Madison County Post Offices are branch locations of the customer service postal facilities of the United States Postal Service (USPS) in Madison County, IA. The USPS is an independent agency of the federal government that provides mail and package delivery services to all states and territories. Madison 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:
  • Madison County Post Office hours and locations
  • Mail and package delivery services
  • Madison County PO Box services
  • Passport applications and renewals
  • Madison 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. Madison County Post Offices serve as one of the primary points of customer contact in the mail delivery process.

Madison County Mail Delivery Services

Post Offices in Madison 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 Madison 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. Madison 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 Madison County Post Offices.

Madison 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.

Madison County Passport Applications & Renewals

The Madison County Post Office provides passport services. Passport services in Madison 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 Madison County Post Offices often require having a scheduled appointment.