Alton police department inmate search. Below we have given information about the Alton Police Jail including inmate search, phone number, visitation rules/hours and contact information. The Alton Police Jail Inmate Roster is an online list of people currently in custody, including current status, and times you can visit. Learn about Alton Police Jail including visitation, directions, contact number, sending money and mailing address information. The detention facility is considered a temporary holding center. It houses the inmates above 18 years of age. Click below for various jail related topics: As Chief of Police, I am extremely proud of our police department and our employees. The facility also accepts inmates from surrounding towns and occasionally from the US Marshal's Service. The location of this prison is 509 South Alton Blvd. The Alton Police Department also houses city, state, and federal inmates at the Alton Police Department Jail. . ijz jyewe gdir qptn eqrwxpu lntuyv mfft ird gzvzsmn mksly