{"area_code":"224","type":"geographic","status":"active","country":"US","region":"Illinois","region_code":"IL","principal_city":"Arlington Heights","cities":["Arlington Heights","Waukegan","Evanston","Schaumburg","Palatine","Skokie","Des Plaines","Mount Prospect","Hoffman Estates","Glenview","Buffalo Grove","Carpentersville","Wheeling","Park Ridge","Algonquin","Elk Grove Village","Gurnee","Highland Park","Lake Forest","Lake in the Hills","Libertyville","Morton Grove","Mundelein","Niles","North Chicago","Northbrook","Rolling Meadows","Round Lake Beach","South Elgin","Vernon Hills","Wilmette","Zion"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-04 15:02:00","ten_digit_dialing":true,"service_type":null,"overlay_codes":["847"],"nearby_codes":["847","331","630","312","773","872"],"summary":"Area code 224 covers Arlington Heights and nearby cities including Waukegan, Evanston, Schaumburg in Illinois, in the Central Time.","carrier_summary":{"nxx_prefixes":592,"blocks":6145,"wireless_pct":52,"top_carriers":[{"name":"T-MOBILE USA, INC.","blocks":1308},{"name":"ONVOY, LLC","blocks":950},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL","blocks":884},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":868},{"name":"BANDWIDTH.COM CLEC, LLC - IL","blocks":305},{"name":"ILLINOIS BELL TEL CO","blocks":186}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/224","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}