What is the City Code Number for Martinez Detention Facility

Sending money into the Contra Costa County-Martinez Detention Facility will only be accepted in the following forms: Money Orders, Cashier's Checks, Local, State, and Federal government checks, including checks from other detention and prison authorities, Traveler's Checks, Personal checks, or cash. Envelopes and all their contents will be returned to the sender. Money Orders, Cashier's Checks, and Traveler's Checks must be made out to the inmate. The inmate's name and booking number must be on the front of the check. Please include the inmate's date of birth if you do not know the booking number. Credit Cards and Debit Cards will only be accepted via the mycarepack.com website