{"area_code":"559","type":"geographic","status":"active","country":"US","region":"California","region_code":"CA","principal_city":"Fresno","cities":["Fresno","Visalia","Clovis","Madera","Tulare","Porterville","Hanford","Reedley"],"timezone":"America/Los_Angeles","timezone_label":"Pacific Time","current_local_time":"2026-08-04 13:01:19","ten_digit_dialing":true,"service_type":null,"overlay_codes":["357"],"nearby_codes":["357","661","209","350","831","805"],"summary":"Area code 559 covers Fresno and nearby cities including Visalia, Clovis, Madera in California, in the Pacific Time.","carrier_summary":{"nxx_prefixes":781,"blocks":6588,"wireless_pct":49,"top_carriers":[{"name":"NEW CINGULAR WIRELESS PCS, LLC","blocks":1446},{"name":"PACIFIC BELL","blocks":820},{"name":"ONVOY, LLC - CA","blocks":737},{"name":"T-MOBILE USA, INC.","blocks":661},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA","blocks":612},{"name":"BANDWIDTH.COM CLEC, LLC - CA","blocks":388}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/559","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}