Johnston County Jail
Johnston County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Name]
P.O. Box 1496
Smithfield, NC 27577
P.O. Box 1496
Smithfield, NC 27577
Physical Address
127 S. Second Street, Smithfield, NC 27577
Phone
Governing Agency
Johnston County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Address correspondence to the inmate's full name, P.O. Box 1496, Smithfield, NC 27577. A complete sender return address is required.
Source: Official sourceLast verified: September 27, 2026
Confirm the facility's current photograph size, quantity, content and print-type restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Follow Johnston County's current publication rules. General-mail exceptions are limited; qualifying magazines/newspapers and other publications must follow the facility's publisher/bookstore requirements.
Source: Official sourceLast verified: September 27, 2026
Johnston County's current FAQ allows qualifying money orders or certified checks to be mailed under current inmate-account instructions; cash is not accepted. Verify payee information before mailing.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements, identification rules and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Johnston County Jail before mailing.
Use:
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Johnston County Jail
P.O. Box 1496
Smithfield, NC 27577
Include the sender's complete first and last name and return address. Confirm current facility-specific restrictions before sending photos, publications, packages, funds or irreplaceable originals.
Use:
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Johnston County Jail
P.O. Box 1496
Smithfield, NC 27577
Include the sender's complete first and last name and return address. Confirm current facility-specific restrictions before sending photos, publications, packages, funds or irreplaceable originals.
About Johnston County Jail
Johnston County Jail is a current county detention facility in North Carolina.