{"area_code":"630","type":"geographic","status":"active","country":"US","region":"Illinois","region_code":"IL","principal_city":"Naperville","cities":["Naperville","Bolingbrook","Wheaton","Downers Grove","Elmhurst","Lombard","Bartlett","Carol Stream","Streamwood","Hanover Park","Addison","Batavia","Bensenville","Bloomingdale","Darien","Glen Ellyn","Glendale Heights","Lisle","North Aurora","Roselle","Saint Charles","Villa Park","West Chicago","Westmont","Woodridge"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-05 16:48:52","ten_digit_dialing":true,"service_type":null,"overlay_codes":["331"],"nearby_codes":["331","312","773","872","224","847"],"summary":"Area code 630 covers Naperville and nearby cities including Bolingbrook, Wheaton, Downers Grove in Illinois, in the Central Time.","carrier_summary":{"nxx_prefixes":783,"blocks":5010,"wireless_pct":38,"top_carriers":[{"name":"T-MOBILE USA, INC.","blocks":939},{"name":"ILLINOIS BELL TEL CO","blocks":811},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL","blocks":470},{"name":"LEVEL 3 COMMUNICATIONS, LLC - IL","blocks":407},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":344},{"name":"ONVOY, LLC","blocks":282}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/630","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}