{"area_code":"909","type":"geographic","status":"active","country":"US","region":"California","region_code":"CA","principal_city":"Ontario","cities":["Ontario","San Bernardino","Fontana","Rancho Cucamonga","Pomona","Rialto","Chino","Chino Hills","Upland","Redlands","Diamond Bar","Highland","Colton","Yucaipa","Montclair","Claremont","La Verne","San Dimas"],"timezone":"America/Los_Angeles","timezone_label":"Pacific Time","current_local_time":"2026-08-04 13:48:31","ten_digit_dialing":true,"service_type":null,"overlay_codes":["840"],"nearby_codes":["840","951","626","657","714","562"],"summary":"Area code 909 covers Ontario and nearby cities including San Bernardino, Fontana, Rancho Cucamonga in California, in the Pacific Time.","carrier_summary":{"nxx_prefixes":786,"blocks":6331,"wireless_pct":50,"top_carriers":[{"name":"T-MOBILE USA, INC.","blocks":1056},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA","blocks":756},{"name":"NEW CINGULAR WIRELESS PCS, LLC","blocks":650},{"name":"METROPCS NETWORKS, LLC","blocks":632},{"name":"ONVOY, LLC - CA","blocks":545},{"name":"BANDWIDTH.COM CLEC, LLC - CA","blocks":498}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/909","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}