New area code for the 909 could be in place by summer 2020
June 8, 2019, 3:41 am
The San Bernardino Sun
Joining them are eastern Los Angeles County cities Claremont, Diamond Bar, Industry, La Verne, Pomona, San Dimas and Walnut, and Riverside County cities Calimesa and Eastvale. Unincorporated areas within those counties also are included.