… Course Numbering … College ID source_2 Content Common Course Numbering-UC … Common Course Numbering (AB 1111) … Over the next three years, between Fall 2025 and Fall 2027, the California Community Colleges will be adopting a statewide Common … Number (CCN) system to streamline credit transfer between institutions and help students make informed course selections that support degree completion. The goal of Common Course Numbering is to ensure that students can easily identify courses … 2025 A Common Course Number is comprised of four elements: Subject: 4-letter standardized abbreviation to be used across the state Course Type Identifier: All CCN courses are indicated with a “C” prefix before the number Number: 4-digit …