Area Codes
| 909 | California (western portions of San Bernardino County, including Colton, Grand Terrace, Ontario, Claremont, Pomona, Chino, Redlands, Fontana) Formerly included 951, split off in 2004. |
| 909 | California (western portions of San Bernardino County, including Colton, Grand Terrace, Ontario, Claremont, Pomona, Chino, Redlands, Fontana) Formerly included 951, split off in 2004. |