National Organization

The NMRA is a non-profit corporation. It has a President and other officers and a Board of Directors. The Headquarters of the NMRA are in Soddy-Daisy (near Chattanooga), Tennessee, with several paid staff members. Many of the functions of the NMRA are performed by the Departments, which are staffed by volunteers. The NMRA holds a National Convention each year, and regions sponsor conventions in their areas as well. 

NMRA Regulations

The Regulations of the NMRA are now contained within the Executive Handbook.

NMRA Districts


NMRA Membership as of 1/1/2017: 17,920


Source: Tom Draper

Headquarters of the NMRA

National Model Railroad Assoc., Inc

P.O. Box 1328, Soddy Daisy TN 37384-1328
Phone: (423) 892-2846
Fax: (423) 899-4869
Email: hq [at] (subject: Mail%20from%20NMRA%20Member) (HQ Staff)

A.C. Kalmbach Memorial Library

P.O. Box 1328, Soddy Daisy TN 37384-1328
Phone: (423) 894-8144 
Fax: (423) 899-4869 
Email: lib [at] (subject: Mail%20from%20NMRA%20Member) (KML Director)

Board of Directors

Officers of the NMRA

NMRA Departments