• Montgomery County Detention Center, 1307 Seven Locks Road, Rockville, MD 20854, 240-777-9976, for central processing.
• Longer pretrial stays and sentences may move to the county's correctional facility; the records line confirms location.

Call the records section, 240-777-9730, at any hour, or search VINELink. Court details are on Case Search.

Through bail set at the Jefferson Street station, or later by a judge. The bail guide explains the steps.

Call the Montgomery County Sheriff's Office at 240-777-7000; it serves court warrants. For an arrest by a city officer in Rockville or Gaithersburg, that city can check.

Counsel can set up a surrender at the Seven Locks Road detention center so the person sees a commissioner fast. Sometimes all a missed date needs is a call to the clerk for another: Circuit Court, 50 Maryland Avenue, 240-777-9400; District Court, 191 East Jefferson Street, 301-563-8800, or Silver Spring, 301-563-8500.

Filed charges are on the Judiciary's case search, but warrants are not, so the Sheriff handles those checks.

Commissioners set terms shortly after booking; families deal with Jefferson Street's public station. Held cases go to bail review in Rockville or Silver Spring. Our the bail set page covers paying and refunds.

Register on VINELink; Montgomery release or facility-move notices are free by phone, SMS or email.

First the commissioner, the Rockville station, 191 E. Jefferson Street, 301-563-8850, usually the same day. A judge at 191 E. Jefferson Street can change it next session, 301-563-8800. See our court page.

District, 191 E. Jefferson Street: 301-563-8800. Circuit Court, 50 Maryland Avenue: 240-777-9400. For federal charges, the U.S. District Court clerk in Greenbelt answers at 301-344-0660.

The Office of the Public Defender, 191 E. Jefferson Street, 301-563-8900, after a commissioner approves form DC-099.

Maryland Judiciary Case Search; or call 240-777-9400. Rockville citations for jailable offenses come with a preliminary inquiry; hiring a lawyer who enters an appearance cancels it.

Rules differ by facility, so call 240-777-9730 first, then read our visitation guide.

• Phone calls from Seven Locks Road: our phone guide.
• Electronic messages, if available: our messaging guide.
• Letters: our mail guide.
• Deposits: our money page and commissary page.

Ask the arresting agency or the department's records line, 240-777-9730. ICE booking photos must be requested through ICE's FOIA office. Federal booking photos are not released to the public or the press, except that the U.S. Marshals Service may publish one while looking for a fugitive.

1. Federal cases mostly go to 6500 Cherrywood Lane, Greenbelt, MD 20770; clerk 301-344-0660 (Baltimore 410-962-2600).
2. A magistrate runs the detention hearing.
3. Federal arrestees come under the U.S. Marshals, 410-962-2220, who hold them until trial.
4. Post-sentence, the BOP inmate locator shows the prison.

1. Booking at the Seven Locks Road center in Rockville may lead ICE to send Form I-247A.
2. Requested: up to 48 hours after they would otherwise be released (8 CFR 287.7(d)). The bail set does not cancel it.
3. Any pickup happens in that window; otherwise the jail releases.
4. ICE picks the next site. Use the ICE detainee locator. The ICE Baltimore Field Office is at 31 Hopkins Plaza, 6th Floor, Baltimore, MD 21201, 410-637-4000.

Rockville's jails don't hold state prisoners, so the DPSCS locator covers them; our Maryland prisons directory gives addresses.

The Department of Juvenile Services runs intake at 7300 Calhoun Place, Suite 700, Rockville, 301-610-8500. A case manager interviews the youth, with a parent present. The case may be closed, kept informal with terms like restitution or community service, or sent to the State's Attorney. Detained youths wait for court at Cheltenham Youth Detention Center, 11003 Frank Tippett Road, 301-782-2400.

Visit rules differ between the Rockville and Boyds facilities, so call Inmate Records at 240-777-9730 to confirm where the person is first. Our visit guide, mail page and money page explain the steps.

The Sheriff's Office in Rockville says pay only the court or your chosen bondsman. Check 240-777-7000.

240-777-9976 handles both for Seven Locks Road jail.

Every arrestee goes to the Central Processing Unit, 1307 Seven Locks Road, Rockville, open around the clock, 240-777-9794. Staff screen for medical, mental health and safety needs. A commissioner holds the first appearance there. Processing takes about four hours. After that first appearance, charges and bond can be given out at 301-610-7217. People can stay at the unit up to 72 hours before moving to the Boyds jail.

The Pre-Trial Assessment Unit, 240-777-9830, weekdays 7:30 to 4, interviews people who cannot post bond and gives the judge a release recommendation. Bond reviews run on weekdays by closed-circuit TV. If someone is released to Pre-Trial Supervision, they must call within 24 business hours. Intake takes about two hours and may include a watched urine test.

The Boyds jail is at 22880 Whelan Lane; its visiting desk is 240-773-9701, and the Rockville jail's is 240-777-9899. In-person visits run every day but Wednesday. Each person gets two visits a week of up to 40 minutes, shorter if the room is crowded. Get there at least 30 minutes before the visiting period ends. Visitors sign in together, up to four at once, with ID and proper dress. People in pre-placement or on restricted status cannot have family visits. Video visits work at both jails. If you think someone is in a mental health crisis, call 240-773-9704 and ask for a shift supervisor.

• Montgomery County Police Department, non-emergency 240-773-5330, the main local force.
• Rockville City Police Department, 240-314-8900.
• Gaithersburg Police Department, 301-258-6400.
• Takoma Park Police Department, 301-270-1100.
• Chevy Chase Village Police Department, 301-654-7300.
• Montgomery County Sheriff's Office, 50 Maryland Avenue, Rockville, MD 20850, 240-777-7000.
• Maryland State Police, Rockville Barrack N, 301-251-8000 (Alternative number: 301-424-2101).

Barnesville, Brookeville, Chevy Chase View, Town of Chevy Chase, Chevy Chase Section 3, Chevy Chase Section 5, Garrett Park, Glen Echo, Kensington, Laytonsville, Martin's Additions, North Chevy Chase, Poolesville, Somerset and Washington Grove lack a town force, so Montgomery County Police cover them. Montgomery College Public Safety, all campuses, 240-567-3333. MTA Police, for MARC trains, 410-454-7720. Maryland-National Capital Park Police patrol county parks, 301-949-8010. Metro Transit Police handle arrests on the Red Line and buses, 202-962-2121. Emergencies: 911.