… between Fall 2025 and Fall 2027, the California Community Colleges will be adopting a statewide Common Course Number (CCN) system to streamline credit transfer between institutions and help students make informed course selections that support … changes will appear across the schedule, catalogs, and other college publications, affecting the following courses: … CCN Crosswalk … Old Course … New Course … Effective … COMM 101 Public Speaking COMM C1000 Introduction to Public Speaking … 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 standardized course number (1000 range to be …