New York · est. 2013Saturday, September 5, 2026
Inside Immigration

Plain-language guides to US immigration, asylum and USCIS procedure.

Detention facilities

Sweetwater County Detention Center

Rock Springs, WYUSMS agreementAbout 10 held on an average day
Address
50140 US Highway 191 South
Rock Springs, WY 82901
Phone
Not listed
Field office
Denver Field Office
Operator
USMS agreement
Immigration court
Not settled from public lists. Check the hearing notice, or the jurisdiction map.
ICE page
ice.gov listing

Visiting

The Sweetwater County Sheriff's Office does not allow in person visitation at the facility. They contract all communication with inmates through NCIC Correctional Services.

Legal visits

Facility staff will not have access to ERO eFile at this time; legal representatives should download copies of their submitted G-28 for any in-person or remote legal visit. G-28s filed on behalf of detained aliens at this facility can now be accepted through the online platform ERO eFile.

An attorney needs a signed G-28 on file to be recognised. See finding and helping a detained person.

Mail and money

All Legal mail should be sent to the following address: Sweetwater County Detention Center 50140 US Highway 191 South Rock Springs, WY 82901

On the map

Also in WY

Check before you go. Hours, rules and even the facility's use change without notice. The phone number above and the ICE listing are the authority; this page was compiled 2026-09-05.