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Mailing 101

Event Information

Event Date	03-19-2025 11:00 am
Event End Date	03-19-2025 1:00 pm
Cut Off Date	04-19-2025 8:00 am
Capacity	25
Individual Price	$25.00
Location	Columbus Main Library

We are no longer accepting registration for this event

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Sponsorship Opportunities

Sponsorships are now being offered to members of the Central Ohio Postal Customer Council.

Read all the details HERE (download PDF).

Register HERE to be contacted about membership.

USPS Contacts

Main Post Office Box Delivery
614-469-4226

Business Service Network
614-469-4481

CityGate Caller Service
614-472-0713

Consumer Affairs
513-684-5794

Equipment Orders
614-472-0572

Mail Design Analyst
855-593-6093

Columbus Mailing Permits and Requirements
614-472-0376

Michelle Shimmel
Columbus Customer
Relations Coordinator
614-469-4280

Newsletters/Publications

USPS National and Ohio News

News from USPS National and USPS Ohio.

Final Decision - Prospect, OH Post Office

Ohio News Releases

10/08/2025 15:07

Prospect, OH – In accordance with 39 C.F.R. § 241.4, this is the United States Postal Service’s final decision with respect to the Postal Service’s proposal to relocate retail services...

Help Stamp Out Breast Cancer

Ohio News Releases

10/07/2025 15:20

WASHINGTON — October is Breast Cancer Awareness Month, and the U.S. Postal Service is reminding customers that they can help fund the cause by purchasing the Breast Cancer Research stamp.

U.S. Postal Service to Observe Columbus Day, Oct. 13

Ohio News Releases

10/07/2025 15:14

OHIO — The U.S. Postal Service will observe Columbus Day on Monday, Oct. 13. Post Office locations will be closed in recognition of the federal holiday. Only Priority Mail Express...

U.S. Postal Service to Observe Columbus Day, Oct. 13

10/07/2025 08:40

WASHINGTON — The U.S. Postal Service will observe Columbus Day on Monday, Oct. 13. Post Office locations will be closed in recognition of the federal holiday. Only Priority Mail Express...

USPS Launches Informed Delivery Mobile App

10/02/2025 09:00

WASHINGTON — The U.S. Postal Service has launched its new Informed Delivery Mobile app, designed to provide customers with greater convenience for managing their mail and packages anytime, anywhere.

U.S. Postal Service Board of Governors Operations Committee to Convene in Closed Meeting on October 7

10/01/2025 10:30

WASHINGTON – The Operations Committee of the U.S. Postal Service Board of Governors will meet on Oct. 7 in a closed meeting at USPS headquarters, 475 L’Enfant Plaza SW, Washington,...

USPS releases Jimmy Carter commemorative Forever stamp

10/01/2025 08:21

ATLANTA — The U.S. Postal Service commemorated the life and legacy of President Jimmy Carter today with the issuance of a commemorative stamp on what would have been his 101st...

Postal Service Modernizes Lobbies to Enhance Customer Experience

09/30/2025 08:52

WASHINGTON, DC — The U.S. Postal Service is transforming the customer experience by introducing redesigned, technology-forward lobbies in retail locations nationwide.

Notice of Comment Period - Wapakoneta

Ohio News Releases

09/26/2025 10:56

The U.S. Postal Service will be mailing a postcard to the impacted community, announcing a proposed relocation of the Wapakoneta, OH Post Office located at 12 Willipie St, Wapakoneta, OH...

Delivering the Long and Winding Roads

Ohio News Releases

09/17/2025 10:48

WASHINGTON — From the busiest cities to the most remote locations, the U.S. Postal Service has been delivering mail and connecting the nation for 250 years.

PostalPro News

CASS™ Certified Products Guide: Z4CHANGE Data File Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Data File Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Service Bureaus Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

10/16/2025 07:00

This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

10/16/2025 07:00

PROCESSING AND DISTRIBUTION: Baltimore Marathon - October 16, 2025

10/16/2025 07:00

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