PER DIEM LOOK-UP
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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Rates for foreign countries are set by the Department of State.
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General Information
2120 Capitol Avenue
Cheyenne, WY 82001-3633
Map & Directions >>
Hours of Operation:
7:30 a.m. - 5:30 p.m.
Mon. - Fri., except holidays
Current Tenants:
U.S. District Courts, U.S. Post Office, U.S. Marshal Service, U.S. Attorneys, U.S. Bankruptcy and U.S. Probation
The Joseph C. O’Mahoney Federal Center is the largest GSA-owned property in the state, and was named after the politician, attorney, and U.S. Senator Joseph Christopher O’Mahoney (1884-1962).
Built in 1964 as a U.S. Post Office/Courthouse of pre-cast reinforced concrete in the Formalist style of the modern era, this building was originally built to provide quality office and work space for the U.S. District Courts and related judicial entities, as well as for the U.S. Post Office and personnel of various other federal agencies. It continues to be used in this way.
The building site covers approximately 1.7 acres. The building has eight floors, a basement and penthouse. It stands approximately 108 feet tall and has three passenger elevators, plus one freight elevator. It provides 156,942 rentable square feet of space for more than 200 federal employees.
Directions & Parking
Parking is available on federal grounds as well as neighboring commercial lots and parking garages.
Click the directions link to enter starting address and generate detailed directions.
Report a Maintenance Issue
For more information on facility repairs, space renovations, or to report a building maintenance issue, please call 307-772-2341 or send an email to the Rocky Mountain Call Center.
Amenities
Historic Information
Historic evaluation of the building may occur in 2014.
Art in Architecture Program
For more information on this federal building, please contact 307-772-2340.
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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Rates for foreign countries are set by the Department of State.
Rates are available between 10/1/2022 and 09/30/2025.
The End Date of your trip can not occur before the Start Date.
Traveler reimbursement is based on the location of the work activities and not the accommodations, unless lodging is not available at the work activity, then the agency may authorize the rate where lodging is obtained.
Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely surrounded by, the corporate limits of the key city, including independent entities located within those boundaries."
Per diem localities with county definitions shall include"all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties, including independent entities located within the boundaries of the key city and the listed counties (unless otherwise listed separately)."
When a military installation or Government - related facility(whether or not specifically named) is located partially within more than one city or county boundary, the applicable per diem rate for the entire installation or facility is the higher of the rates which apply to the cities and / or counties, even though part(s) of such activities may be located outside the defined per diem locality.