Champaign county jail phone number Managed by the Champaign County Sheriffs Office, this correction facility has the capacity to hold up to 97 offenders. Inmate Mail How do I send mail to an inmate? To send mail to an inmate, you will need their inmate ID number and the mailing address of the jail or correctional facility where they are being held. Find government employees, contact info, and office details. Box 19277 Springfield, Illinois 62794-9277 217/522-2666, Ext. O. Jail Phone Number. The roster is typically updated within 24 hours of an offender being booked into the jail. County Jail Address: 502 S. Phone Number: (217) 384-1240. il. ngooxwqvdqelpmtbbdumcllahoapcdohzlylituqczbwqsntiabjtwyuuaiuxhyvcc