{"area_code":"410","type":"geographic","status":"active","country":"US","region":"Maryland","region_code":"MD","principal_city":"Baltimore","cities":["Baltimore","Annapolis","Arbutus","Arnold","Bel Air North","Bel Air South","Carney","Catonsville","Columbia","Crofton","Dundalk","Edgewood","Eldersburg","Ellicott City","Essex","Glen Burnie","Lochearn","Middle River","Milford Mill","Odenton","Parkville","Perry Hall","Pikesville","Randallstown","Reisterstown","Salisbury","Severn","Severna Park","South Gate","Towson","West Elkridge"],"timezone":"America/New_York","timezone_label":"Eastern Time","current_local_time":"2026-08-04 16:48:30","ten_digit_dialing":true,"service_type":null,"overlay_codes":["443","667"],"nearby_codes":["443","667","227","240","301","202"],"summary":"Area code 410 covers Baltimore and nearby cities including Annapolis, Arbutus, Arnold in Maryland, in the Eastern Time.","carrier_summary":{"nxx_prefixes":786,"blocks":4524,"wireless_pct":22,"top_carriers":[{"name":"VERIZON MARYLAND, INC.","blocks":1867},{"name":"OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC","blocks":332},{"name":"NEW CINGULAR WIRELESS PCS, LLC - DC","blocks":307},{"name":"ONVOY, LLC - MD","blocks":244},{"name":"MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD","blocks":196},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD","blocks":191}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/410","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}