Detention facilities

Sweetwater County Detention Center

Sweetwater County Detention Center is at 50140 US Highway 191 South in Rock Springs, Wyoming, and ICE lists it under the Denver Field Office. As read on October 31, 2026, ICE gives (307) 352-4900 or (307) 352-4935 for detainee information. There are no in-person visits, and personal mail goes through NCIC.

Published:

Agency directory checked: · Listed as of this date

Listed in an official agency directory checked 2026-10-20. This records a dated listing, not a guarantee of continuing employment, operations, occupancy, or case assignment. Recheck the official source before acting.

General information, not legal advice. See the notice at the end of this page.

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We take these cases: Asylum, Deportation and removal defense, Family and marriage-based immigration, K-1 fiancé(e) visa, I-751 removal of conditions and waivers, Inadmissibility waivers, VAWA self-petitions, Citizenship and naturalization.

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How do I check whether someone is in Rock Springs?

This page cannot tell you who is held here. Try the ICE Online Detainee Locator at ice.gov/locator, then the county's Inmate Roster at sweetwater911.org/apps/jailroster, which is a county list, not an ICE one. Next call (307) 352-4900 or Central Booking at (307) 352-4935; ICE asks callers for hyphenated names and aliases along with date and country of birth, and lists no calling hours. If there is no record, call the Denver Field Office at (720) 873-2899. Read October 31, 2026; ICE page updated August 6, 2026.

Is any visiting allowed at the Rock Springs jail?

ICE says the Sweetwater County Sheriff's Office does not allow in-person visitation at the facility, and all communication with inmates is contracted to NCIC Correctional Services. ICE lists no days or hours, so see NCIC.com or call the Sheriff's Office at (307) 352-4900. If you are driving to the jail for another reason, take exit 99 from I-80 onto US Highway 191 South and continue 1.4 miles; it is on the right. The sheriff's own page lists a different office line, (307) 922-5300.

Can I mail letters or drop off belongings?

Not in the usual way. ICE says all personal mail must be routed through NCIC Correctional Services, and it refers families to NCIC.com without printing a personal mail address. Only legal mail is listed for the facility address, 50140 US Highway 191 South, Rock Springs, WY 82901. ICE also says no personal property will be accepted by mail or drop-off at this facility. Before sending clothing, documents or anything else that matters, ask Central Control at (307) 352-4911 what is allowed.

How do I put money on an account?

The ICE page does not cover money, commissary or phone accounts. The county's Detention Center page says friends and family can add money through the offender commissary at inmatecanteen.com, but that page was last updated in January 2023. ICE says NCIC handles all communications, so check the current method with Central Booking at (307) 352-4935 before you pay. For phone or tablet accounts, ICE points only to NCIC.com. Neither page lists fees or limits.

Which ICE office do I call, and how does a lawyer visit?

The facility page gives no field office number, but ICE's office list shows Denver, for Wyoming and Colorado. The Cheyenne ERO Sub-office, (307) 432-7440, identifies a deportation officer once a G-28 is on file. Attorneys with valid ID book in-person visits at (307) 352-4900, not the sheriff's administrative line. Case questions go to wyomingero@ice.dhs.gov, which does not accept Stay of Removal or Case Appeal applications. For court dates, search the hearing system; bond hearings have their own guide.

Other facilities in this ICE field office

How a case moves through immigration court

Primary sources

Frequently asked questions

How do I find out if someone is in the Sweetwater County jail?

Check ICE's Online Detainee Locator and the county's Inmate Roster at sweetwater911.org/apps/jailroster, then call (307) 352-4900 or (307) 352-4935. If there is no record, call the Denver Field Office at (720) 873-2899.

Can I visit someone at Sweetwater County Detention Center?

ICE says the Sheriff's Office does not allow in-person visitation at the facility and that NCIC Correctional Services handles all communication with inmates. ICE lists no days or hours. See NCIC.com or call the Sheriff's Office at (307) 352-4900 for what is currently available.

How do I send mail to a detainee in Rock Springs?

ICE says personal mail must be routed through NCIC Correctional Services, so check NCIC.com. Legal mail goes to 50140 US Highway 191 South, Rock Springs, WY 82901. ICE also says the facility accepts no personal property by mail or drop-off.

How can I send money to someone at Sweetwater County Detention Center?

ICE's page does not cover money. The county's detention page, last updated in January 2023, names inmatecanteen.com. Because that information may be old, confirm the current method with Central Booking at (307) 352-4935 before paying.

What is Sweetwater County Detention Center?

Sweetwater County Detention Center is at 50140 US Highway 191 South in Rock Springs, Wyoming, and ICE lists it under the Denver Field Office. As read on October 31, 2026, ICE gives (307) 352-4900 or (307) 352-4935 for detainee information. There are no in-person visits, and personal mail goes through NCIC.

What should I check before relying on this information?

Listed in an official agency directory checked 2026-10-20. This records a dated listing, not a guarantee of continuing employment, operations, occupancy, or case assignment. Recheck the official source before acting. The facility page gives no field office number, but ICE's office list shows Denver, for [[directory-state-wyoming|Wyoming]] and Colorado. The Cheyenne ERO Sub-office, (307) 432-7440, identifies a deportation officer once a G-28 is on file. Attorneys with valid ID book in-person visits at (307) 352-4900, not the sheriff's administrative line. Case questions go to wyomingero@ice.dhs.gov, which does not accept Stay of Removal or Case Appeal applications. For court dates, [[find-immigration-court-hearing|search the hearing system]]; [[immigration-bond-hearing|bond hearings]] have their own guide.

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