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How to Find if Someone is in Jail in Colorado?

If a person has been missing for a few days, depending on that person’s previous history, the prison could be the first or the last place you decide to look. If you know that someone has been arrested, or has participated in activities that are likely to lead to an arrest, you may want to use the available resources to find out if the person is in prison.

If a person has been arrested recently, then it is likely that they have been sent to a county jail, which is run by the local county sheriff. Depending on the size of the county, there may be one or more county jails in it. People who have been arrested and are awaiting a hearing, those who cannot or are not allowed to post bail, as well as those who have sentences of less than a year are often kept in county jail. Those who have received longer sentences, especially those convicted of committing serious crimes by breaking state law, are sent to state prisons.

Searching for Colorado State Prison Inmates Online

If you feel that the person you are looking for is likely to be in Colorado state prison, then the first thing to do would be to look them up in the official state prison database.

Colorado Arrest Records
For this, you can go to the Department of Corrections page on the Colorado state government site,, or you can directly go to their inmate locator page at On the search page, you can enter the details that you know into one or more of the following fields.

  • DOC Number: This is the unique identification number assigned by the Department of Corrections, up to six digits long. Knowing this number is the fastest way to find a prison inmate.
  • First Name: Here you can enter the full or partial first name of the person. The search results will contain all names that begin with that combination of letters.
  • Last Name: Similar to the first name column, the search will look for all inmates with the last name that starts with that letter combination. Here it is best to avoid hyphenation and simply run the search with all names. Often a person may not be on record with their legal name, so expand your search using any nicknames or aliases that you know of.
  • Date of Birth: When searching using the person’s birth date, the format in which the date is to be entered is mm/dd/yyyy. You can expand the scope of your search to 6 months before and after the date entered as well.
  • Gender: You can select the gender of the person as male, female, or all.

Using Third-Party Sites

You can even lookup inmates in Colorado state prison or county jail using third party websites. While you can do a direct search on these sites, they also have a comprehensive list of links and contact details for the different correctional facilities in the state of Colorado. There are many third-party sites available, some of them being:

You can conduct a search even with basic details like the person’s name and date of birth. If doing a county-specific search, it is better if you conduct the search using inmate locators of counties that are nearby as well.

If you are still unable to find the person, it is possible that the arrest is too recent and has not yet been updated in the prison database. In such a situation, you can use the VINElink database to find them. VINE stands for Victim Information and Notification everyday program. This site gives you updates on the status of custody of a particular offender.

Colorado Arrest Records

How to Find if Someone in Jail via Phone or Fax

If you are not able to do an online search, or if you feel the inmate locator may not be updated, you can also choose to directly call the Colorado Department of Corrections at 719-226-4569 between 8 am until 5 pm. Their office is open from Monday to Friday, except on state holidays.

You can even fax your query to them at 719-226-4755. For all queries, it is best to include all necessary details, including the DOC number or the name and date of birth of the person you are looking for, along with who you are and why you are looking for them.

You can also call the local county jail if that’s where you think they may be. The county jail numbers are available on the third-party sites listed above.

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