{"area_code":"531","type":"geographic","status":"active","country":"US","region":"Nebraska","region_code":"NE","principal_city":"Omaha","cities":["Omaha","Lincoln","Bellevue","Columbus","Fremont","Hastings","Norfolk"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-11-04 05:19:16","ten_digit_dialing":true,"service_type":null,"overlay_codes":["402"],"nearby_codes":["402","712","308","785","515","913"],"summary":"Area code 531 covers Omaha, Nebraska (Central Time) and nearby Lincoln, Bellevue and Columbus; overlay 402 shares the same area.","carrier_summary":{"nxx_prefixes":263,"blocks":2268,"wireless_pct":45,"top_carriers":[{"name":"ONVOY, LLC - NE","blocks":501},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE","blocks":279},{"name":"TELEPORT COMMUNICATIONS AMERICA, LLC - NE","blocks":212},{"name":"AERIAL COMMUNICATIONS, INC.","blocks":204},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":177},{"name":"UNITED STATES CELLULAR - NE","blocks":170}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/531","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-11-02"}