Porter County Jail
Porter County Jail
County Jail / Adult Detention FacilityMailing Address
Porter County Jail, IN
[Inmate Full Name] — [Inmate ID Number]
P.O. Box 247
Phoenix, MD 21131
[Inmate Full Name] — [Inmate ID Number]
P.O. Box 247
Phoenix, MD 21131
Physical Address
2755 State Road 49, Valparaiso, IN 46383
Phone
Governing Agency
Porter County Sheriff's Office
Inmate ID
Inmate ID Number — Required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use Porter County Jail, IN, inmate full name and ID number, P.O. Box 247, Phoenix, MD 21131.
Source: Official sourceLast verified: September 27, 2026
Confirm current Porter County photo/content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Books and magazines, when accepted, must be new and sent directly from a publisher or approved online retailer under current jail rules.
Source: Official sourceLast verified: September 27, 2026
Use current Porter County approved inmate-account deposit methods rather than enclosing cash in personal mail.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Use Porter County Jail, IN, inmate full name and ID number, P.O. Box 247, Phoenix, MD 21131 for personal inmate correspondence. The current physical jail is at 2755 State Road 49 in Valparaiso.
About Porter County Jail
Porter County Jail is the county adult detention facility at 2755 State Road 49 in Valparaiso. Personal mail is processed through a Phoenix, Maryland address.