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California State Prison, Corcoran

California State Prison, Corcoran (COR): contact, visiting, phone, mail and travel details. Confirm custody and current rules.

All states and facilities Facility information, not live custody records.

Facility record · California

COR · Corcoran · Kings County

STATE
Page typeState custody
  • SecurityLevels I–IV
  • Population2,618
  • Occupancy84%
Call (559) 992-8800Official page ↗Find someone in CDCR custody ↗

Jail411 holds no custody records. A listing here does not mean anyone is held at this address.

California State Prison, Corcoran (COR) is a state prison in Corcoran, Kings County, California. By capacity it is the 4th-largest of the 30 state prison records listed for California with a published capacity. It is one of 5 correctional facilities in Kings County, and California operates 30 state prisons in total.

Contact & details

Main switchboard(559) 992-8800
Visiting sergeant(559) 992-8800 ext. 5705
Street address
4001 King Avenue
Corcoran, CA 93212
Open in maps
Institution / staff mailP.O. Box 8800, Corcoran, CA 93212-8309
Security levelLevels I–IV · Restricted housing
Directory statusOpen · Feb 2026 source
Occupancy against rated capacity84%
Rated capacity 3,114Reported population 2,618

CDCR Infrastructure Master Plan, Appendix 1 (May 2026), period ending 30 April 2026

Finding someone first

Nothing below works without two things: confirmation that the person is at California State Prison, Corcoran, and their CDCR number. Book a visit without them and you will be turned away; post a letter without the number and the mailroom cannot route it.

CDCR's public search covers people in CDCR custody. A disclaimer must be accepted before searching, and CDCR states the tool is informational rather than an official record. County jail populations are held separately.

CIRIS — California Incarcerated Records and Information Search ↗

Visiting California State Prison, Corcoran

This is what the institution publishes, in the order you will meet it: when visits run, how to get approved, how to book, when to arrive, and what you may carry in.

When visits run

Open with exceptions · 24 August 2026
Friday12:10–6:30 p.m. Walk-in vehicles enter 2:30–4:00 p.m.; processing ends 5:30 p.m
Saturday8:30 a.m.–2:30 p.m. Walk-in vehicles enter 11:30 a.m.–1:00 p.m
Sunday8:30 a.m.–2:30 p.m. Walk-in vehicles enter 11:30 a.m.–1:00 p.m
Monday10:55 a.m.–1:15 p.m., appointment only for eligible 4A RIHU/PHU visits
Facility 3A general visiting is cancelled until further notice under a modified program; EOP restricted-housing visits in 3A03 are not affected.
  1. Get approved

    You must be approved before booking. The incarcerated person first sends you a signed CDCR Form 106 Visiting Questionnaire. Complete that exact copy, then mail it directly to COR’s Visiting office.

    Send it to: Mail the completed questionnaire to California State Prison-Corcoran, Attention: Visiting, P.O. Box 8800, Corcoran, CA 93212-8309. This is COR’s official institution/staff mailbox.

    What not to do: Do not mail the completed questionnaire back to the incarcerated person. Send it directly to COR’s Visiting office at the institution address above.

    Do not use the housing-specific incarcerated-person mailboxes for Facilities 3A–4B or the Z/MSF/Hospital/Firehouse mailbox.

    Read CDCR’s Form 106 approval steps ↗

  2. Book through the scheduling application

    Use VSA for ordinary in-person appointments. Facility 4A RIHU, DPU, THU and PHU requests are made one week ahead by email during COR’s published window.

    Open the Visitation Scheduling Application ↗

    Walking in: Walk-ins are first come. 4A RHU, Building Z and CTC do not accept them; RIHU/PHU Monday visits are appointment-only.

    Restricted-housing request window: Email CorVideoVisiting@cdcr.ca.gov from Saturday 8:00 a.m. through Sunday 8:00 p.m. for 4A RIHU, DPU, THU and PHU. Monday RIHU/PHU appointments use VSA one week ahead.

    Current exception: Do not book travel for a 3A general visit while the published modified program remains in effect. 3A03 EOP RHU visiting is exempt from that cancellation.

    Non-contact and restricted-housing visits

    Non-contact visiting is not a choice — it is what applies while someone is in reception (newly admitted to CDCR, or just transferred between prisons) or is segregated.

  3. Arrive, and report to visitor processing

    Many prisons allow vehicles onto grounds only about one hour before visiting starts. Expect screening, possible vehicle inspection, and a processing wait that can occasionally reach two hours.

    Parking: CDCR states all prisons have a separate visitor parking lot, with marked accessible spaces; the walk to processing may be long or require a prison van/bus.

    Where to report: Use the visitor entrance at 4001 King Avenue and follow staff instructions for the correct facility’s processing. COR is a large multi-mission complex; confirm housing before joining the arrival flow.

  4. Bring the right things, and only those

    Allowed in

    • Only CDCR-listed items may enter, including limited cash, a small clear bag, two keys, ID, limited photos/documents and specified baby/medical items; weapons and illegal drugs are prohibited.

    Identification: Adults must show valid, current photo identification: a state driver license/DMV ID, armed-forces ID, ICE ID, U.S. or foreign passport, or Mexican Consulate photo ID.

    How many may visit: Capacity, housing status and visit type control admission. Walk-ins are first come, and COR can restrict a single facility without closing the whole institution.

    Bringing a child: A visitor under 18 must be accompanied by an approved adult and bring a certified birth certificate; guardians also need proof of guardianship, and other accompanying adults need annually updated notarized consent.

    Video visits and cost: The current statewide transition page posts Securus video at $0.10 per minute with 30 free minutes monthly; institution transition dates are tentative, so verify the facility platform before purchase.

Phone calls, money and mail

Phone calls

You cannot call in. CDCR states that it is up to the incarcerated person to initiate the call, and that calls are limited to 15 minutes. That single fact explains most of what families find confusing: the switchboard will not connect you, there is no voicemail, and a call arriving from an unfamiliar number is normal. What you can do from the outside is make sure the call can reach you — that your number is not blocked by your carrier, that it is not a VoIP or virtual number the system will refuse, and that whatever account arrangement the facility uses is set up and funded before he tries. For anything urgent, a message goes through the institution rather than the phone system.

Putting money on the books

Before anything else you need the person's CDCR number, from California Incarcerated Records and Information Search (CIRIS), and their current location from CDCR's facility locator. CDCR then lists three routes. Electronic funds transfer through one of its vendors: GTL/ConnectNetwork, JPay, or Access Corrections. A lock box deposit, which CDCR states carries no fee when sent by money order, personal check or cashier's check: complete the Money Order Deposit Form with the sender's name and address, make the payment payable to JPay, and mail it to JPay, 2202 South Figueroa St, Box #3001, Los Angeles, CA 90007. CDCR caps this at $999.99 per money order, holds personal checks for ten business days, and warns that any letter or note enclosed with a payment will be discarded. Or send a check or money order to the institution itself. Vendor fees vary by amount and method, so check the vendor's own figure before you send.

Writing to someone here

Anyone may write to a person in a California state prison. Incoming letters are opened and inspected for contraband, then forwarded. CDCR asks that the envelope carry the person's full committed name and CDC number, the institution name, the P.O. box and housing assignment where known (CDCR states housing is preferable), and the city, CA and ZIP. The housing assignment is the part most people do not have: get it, and the CDCR number, from California Incarcerated Records and Information Search (CIRIS), from the institution's Public Information Officer, or from CDCR's Identification Unit. Note that the address mail goes to is not always the institution's street address, so confirm it before posting anything you cannot replace.

Facility 3A

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility 3A - P.O. Box 3461, Corcoran, CA 93212

Facility 3B

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility 3B - P.O. Box 3466, Corcoran, CA 93212

Facility 3C

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility 3C - P.O. Box 3471, Corcoran, CA 93212

Facility 4A

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility 4A - P.O. Box 3476, Corcoran, CA 93212

Facility 4B

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility 4B - P.O. Box 3481, Corcoran, CA 93212

Facility Z, Minimum Support Facility, Hospital, Firehouse

Full committed name · CDCR number · housing
California State Prison, Corcoran (COR)
Facility Z, Minimum Support Facility, Hospital, Firehouse - P.O. Box 3456, Corcoran, CA 93212

Getting there, and staying

Corcoran has limited lodging; Hanford and Tulare add options but require a longer drive. Confirm the route, exact room, accessibility, deposit and cancellation terms. KART Route 13 connects Hanford and Corcoran Monday through Friday. Its published map includes prison stops but says only prison employees are authorised past the Corcoran Amtrak stop, so visitors should not treat those stops as public visitor transportation.

Weekend service: The published Route 13 schedule has no Saturday service and is not a Sunday solution. Arrange a confirmed ride from Corcoran Amtrak or lodging to Visitor Processing and back.

Confirm the last mile: KART: (559) 852-2717. COR main line: (559) 992-8800. Confirm the current public stop and last-mile plan before booking.

Where to stay

Corcoran Country Inn2111 Whitley Avenue, Corcoran, CA 93212Free gated parking and Wi-Fi; confirm accessibility, deposit and refund conditions directly(559) 992-5724
Best Western Hanford Inn755 Cadillac Lane, Hanford, CA 93230Free hot breakfast, Wi-Fi and parking; confirm the morning drive to COR(559) 583-7300
La Quinta Inn & Suites by Wyndham Tulare1500 N. Cherry Court, Tulare, CA 93274Free breakfast and Wi-Fi; outdoor pool and pet-friendly rooms(559) 685-8900
Early openers are what matter. Corcoran McDonald’s publishes a 5:00 a.m. opening. Recheck same-day and holiday hours before relying on any location.

Somewhere to eat

PlaceWhat and whenPhone
McDonald’s2003 Whitley Avenue, Corcoran, CA 93212Official page lists 5:00 a.m. lobby and drive-through openings daily(559) 992-5833
Subway1108 Whitley Avenue, Corcoran, CA 93212Official page lists breakfast and early Friday/weekend openings(559) 992-9999
Taco Bell2021 Whitley Avenue, Corcoran, CA 93212Official page lists morning opening and drive-through service(559) 992-9022

Local planning notes

Confirm the housing unit: Confirm whether the person is in 3A, 3B, 3C, 4A, 4B, Z, CTC, MSF or another unit. Booking method, walk-in eligibility and mail routing vary by facility.

Road check: Check Caltrans QuickMap and COR’s live visiting page. Corcoran is surrounded by agricultural roads; fog, heat and seasonal work can affect timing.

Inside the institution

A multi-facility complex with separate 3A, 3B, 3C, 4A, 4B, and Facility Z/MSF-hospital-firehouse mailing units.

Restricted housing

CDCR defines Restricted Housing Unit placement as temporary, case-by-case housing when a person cannot safely remain in a less restrictive setting; programming, required out-of-cell time and rehabilitative opportunities continue under the current statewide framework.

Health care, programs and release preparation

These services differ by institution. The details below describe what this prison reports, not a systemwide promise that every person qualifies for every program.

Health care

The official page describes a fully licensed Correctional Treatment Center and designates COR a basic-care institution.

Education, training and work

Vocational programs include computer technology, electronics, machine shop, sheet metal and welding; academics include ABE, GED, pre-release, ESL and literacy; other programs include religious, arts, victim-awareness and community-service programs.

Preparing for release

Pre-release academics and job-training/PIA programs support release preparation.

Reported figures

These are the institution’s own returns to the state, and every group is dated. They have to be: the figures come from separate documents on separate cadences, and reading the whole set as one snapshot would be wrong.

Capacity and population

as at 30 April 2026
Designed for3,114
Actually held2,618
Cell beds2,622
Dormitory beds492

How the population is housed

as at 30 June 2024
Total reported2,510
Level I (lowest security)4
Level II1,641
Level III478
Level IV (highest security)10
Beds not tied to a level340
In restricted housing37

Staffing

as at 30 June 2024
Positions authorised1,626
Positions vacant113
Overtime hours worked11,634.12
Sick leave hours taken10,209.70

Education and training

as at 30 June 2024
Academic places1,590
Academic enrolment911
Vocational places243
Vocational enrolment203
GED certificates awarded2
High-school diplomas awarded1

CDCR Infrastructure Master Plan, Appendix 1 (May 2026) (Public record) · California Department of Corrections and Rehabilitation, SB601 Reporting (CC BY 4.0)

Guides that go wider than this institution

These cover the same ground across every facility in the directory, which is what you want if the person may be moved, or if you are helping someone in a different state.

Other facilities in Kings County

California State Prison, CorcoranCorcoran · CDCRVisiting: exceptionsCall

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What should I confirm before visiting?

The person's current facility, the visiting schedule, approval requirements, accepted identification and arrival instructions. Check the facility page and its official sources before you travel.

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Send us the page and the detail that needs attention. Include the official source when you have one. Do not send private booking documents or other sensitive personal information.

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Jail411 source information preserved on 2026-09-25.Official sources appear alongside the relevant information.