{"area_code":"319","type":"geographic","status":"active","country":"US","region":"Iowa","region_code":"IA","principal_city":"Cedar Rapids","cities":["Cedar Rapids","Iowa City","Waterloo","Cedar Falls","Burlington","Marion"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-04 15:03:30","ten_digit_dialing":true,"service_type":null,"overlay_codes":[],"nearby_codes":["641","563","515","309","861","353"],"summary":"Area code 319 covers Cedar Rapids and nearby cities including Iowa City, Waterloo, Cedar Falls in Iowa, in the Central Time.","carrier_summary":{"nxx_prefixes":565,"blocks":3697,"wireless_pct":38,"top_carriers":[{"name":"ONVOY, LLC - IA","blocks":563},{"name":"UNITED STATES CELLULAR - IA","blocks":430},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA","blocks":338},{"name":"QWEST CORPORATION","blocks":292},{"name":"T-MOBILE USA, INC.","blocks":290},{"name":"WINDSTREAM IOWA COMMUNICATIONS, INC.","blocks":199}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/319","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}