{"area_code":"737","type":"geographic","status":"active","country":"US","region":"Texas","region_code":"TX","principal_city":"Austin","cities":["Austin","Round Rock","Cedar Park","Georgetown","San Marcos"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-04 15:47:51","ten_digit_dialing":true,"service_type":null,"overlay_codes":["512"],"nearby_codes":["512","254","210","726","979","830"],"summary":"Area code 737 covers Austin and nearby cities including Round Rock, Cedar Park, Georgetown in Texas, in the Central Time.","carrier_summary":{"nxx_prefixes":323,"blocks":3377,"wireless_pct":46,"top_carriers":[{"name":"ONVOY, LLC - TX","blocks":769},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":526},{"name":"T-MOBILE USA, INC.","blocks":478},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX","blocks":347},{"name":"BANDWIDTH.COM CLEC, LLC - TX","blocks":227},{"name":"TELEPORT COMMUNICATIONS AMERICA, LLC - TX","blocks":166}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/737","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}