California Correctional Institution Overview
California Correctional Institution, often shortened to CCI, is operated by the California Department of Corrections and Rehabilitation at the Tehachapi edge of Kern County. It is a CDCR state prison, not a Kern County Sheriff's Office jail. That distinction controls the search path, the mail format, the visiting approval process, and the kind of record a family member should expect to find. A Kern County jail record may show a person before sentencing, but once the person is received by CDCR, the state system and CDCR number become the key identifiers.
CDCR describes CCI as a facility with Level II, Level III, and Level IV custody history and maximum and high-medium security operations. The institution began as a women's institution built in 1932 and opened in 1933, then reopened as a male institution in 1954. Maximum-security facilities were added in 1985 and 1986, followed by a high-medium custody facility. The original minimum facility was deactivated in September 2021. Those details matter because CCI is not a reception-center page like North Kern or Wasco. It is a long-running prison campus with a security mix that differs from Kern County's pretrial jail system.
The official CDCR page for CCI was captured in the image below. The CDCR facility page is the source to check for current institution notices, visiting changes, and local contact updates.
The screenshot reflects a facility-specific CDCR source, so it fits this prison page more closely than county jail roster images.
California Correctional Institution Population
CDCR's TPOP1 institution population report for April 15, 2026 listed California Correctional Institution with 2,347 people in custody, design capacity of 1,508, staffed capacity of 2,212, and occupancy of 155.6 percent of design capacity. Those are dated prison-population figures. They should not be merged with Kern County jail average daily population because CDCR prisoners are sentenced state prisoners, while the county jail population includes pretrial detainees, county-sentenced people, and some contract custody. The CDCR population reports archive is the right source when a current prison count is needed.
The capacity percentage also helps explain why CDCR visiting, housing, and transfer information can change. A CIRIS current-location result is a starting point, not a promise that a person will remain at CCI after classification, medical review, or transfer. Use the CDCR location result first, then call the prison when mail routing, visiting approval, or time-sensitive travel depends on the current housing unit.
California Correctional Institution Inmate Lookup
Use CDCR CIRIS for a California Correctional Institution inmate search. CIRIS covers people in CDCR custody and can return a name, CDCR number, age, current location, commitment counties, admission date, and parole hearing information when available through the state service. Do not use the KCSO Inmate_Info roster for CCI unless the question is about the person's earlier Kern County booking. The county roster uses booking numbers. CDCR uses CDCR numbers.
- Open CIRIS and search by CDCR number when that number is known.
- If the number is not known, search by first name, middle name if useful, and last name.
- Read the current location field to confirm whether the result says California Correctional Institution.
- Use commitment county and admission date to avoid confusing two people with similar names.
- Call CDCR Identification Unit help at (916) 445-6713, Monday through Friday excluding holidays, 8 a.m. to 4:30 p.m. Pacific, if the state locator does not resolve the identity issue.
| System | Use It For | Not For |
|---|---|---|
| CDCR CIRIS | Sentenced state prisoners at CCI and other CDCR prisons | New Kern County jail bookings |
| KCSO roster | County jail custody before or after a Kern County arrest | Current CDCR prison housing |
| ICE ODLS | Civil immigration detention | State-prison mugshots or CDCR sentence data |
For the broader Kern County inmate population, the Kern County inmate population page separates county jail, state prison, federal, and ICE custody paths.
California Correctional Institution Contact
The public facility contact should be used for prison-specific questions, not for county jail warrant checks or booking-photo requests. CCI's listed street address is the institution location. CDCR also lists institution and inmate-mail post office boxes, which are important because state-prison mail is routed by facility and CDCR number.
California Correctional Institution
24900 Highway 202
Tehachapi, CA 93561
(661) 822-4402
Institution P.O. Box 1031, Tehachapi, CA 93581
California Correctional Institution Visiting
CDCR visiting rules apply at CCI. Visitors should use CDCR visiting information and the CCI facility page rather than Kern County jail schedules. State-prison visits generally require approval before scheduling, and the institution can change visiting status based on custody level, housing, staffing, lockdowns, or health rules. Identification requirements and dress rules are handled under CDCR policy. A county jail visit approval or Securus jail visit does not transfer to CCI.
| Visiting Item | CCI Rule Source | Practical Point |
|---|---|---|
| Approval | CDCR visiting process | Complete approval before planning travel to Tehachapi. |
| Scheduling | CDCR and facility notices | Check the current institution status before leaving. |
| Identity | CDCR visitor rules | Bring valid identification and follow dress rules. |
| Custody level | Facility-specific status | Housing and security can affect visit availability. |
California Correctional Institution Mail
CDCR family-contact guidance says mail should include the incarcerated person's full name, CDCR number, institution name, and the correct P.O. Box or housing address if known. CCI has separate inmate-mail boxes by facility. If the CDCR number or housing unit is unknown, use CIRIS first and then call the institution or public information contact. CDCR also states that state-prison audio calls are free as of January 1, 2023, which is different from Kern County jail phone and video systems.
| Service | Provider / Detail |
|---|---|
| Facility A mail | P.O. Box 1902, Tehachapi, CA 93581 |
| Facility B mail | P.O. Box 1906, Tehachapi, CA 93581 |
| Facility C mail | P.O. Box 1905, Tehachapi, CA 93581 |
| Facility D mail | P.O. Box 608, Tehachapi, CA 93581 |
| Facility E mail | P.O. Box 107, Tehachapi, CA 93581 |
| Phone calls | CDCR state-prison audio call rules; free calls noted as of January 1, 2023 |
Money and package rules can change by CDCR vendor and institution status. Use CDCR's current family resources instead of Kern County jail Access Corrections instructions, which apply to Sheriff's Office detention facilities and not to CCI.
California Correctional Institution Intake
CCI intake is a state-prison admission and transfer issue, not street-arrest booking. A person usually moves from county jail custody into CDCR after sentencing, then CDCR assigns location based on classification, sentence, medical and mental-health factors, security needs, bed space, and other prison-system rules. Reception centers such as North Kern State Prison and Wasco State Prison-Reception Center often handle intake and classification before longer-term placement. CCI may appear as the current location after that process or after a later transfer.
A Kern County jail profile may still be useful for earlier arrest details, bail history, hearing entries, or the booking number. It is not the source for current CCI housing. For current state custody, CDCR CIRIS is the correct lookup route, and the prison's own contact point is the right place to confirm visit or mail routing.
About California Correctional Institution
CCI sits in the Tehachapi area, which CDCR describes with local references such as the mountain-valley setting, elevation around 4,000 feet, the Tehachapi Loop, and glider activity. Those local details do not change the lookup process, but they help distinguish CCI from the Delano and Wasco prisons that also sit in Kern County. A person committed from Kern County may be housed at CCI, at another CDCR prison in Kern, or elsewhere in California, so current location should always be checked through CIRIS.
Note: Confirm CDCR location, visiting status, and mail routing with CCI before traveling or sending time-sensitive mail.
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