{"area_code":"512","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":"2026-10-24 18:57:07","ten_digit_dialing":true,"service_type":null,"overlay_codes":["737"],"nearby_codes":["737","254","210","726","979","830"],"summary":"Area code 512 covers Austin, Texas (Central Time) and nearby Round Rock, Cedar Park and Georgetown; overlay 737 shares the same area.","carrier_summary":{"nxx_prefixes":783,"blocks":6010,"wireless_pct":38,"top_carriers":[{"name":"SOUTHWESTERN BELL","blocks":1168},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":789},{"name":"T-MOBILE USA, INC.","blocks":732},{"name":"ONVOY, LLC - TX","blocks":411},{"name":"BANDWIDTH.COM CLEC, LLC - TX","blocks":410},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX","blocks":393}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/512","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-10-21"}