Area Code 667 - Details, official location, official service date
https://www.areacodehelp.com/where/area_code_667.shtml
WebArea code 667 serves eastern Maryland, including the larger cities and communities of Annapolis, Arbutus, Arnold, Baltimore, Bel Air North, Bel Air South, Carney, Catonsville, Columbia, Crofton, Dundalk, Edgewood, Eldersburg, Elkridge, Ellicott City, Essex, Glen Burnie, Lochearn, Milford Mill, Odenton, Parkville, Perry Hall, Pikesville, Randalls...
DA: 18 PA: 48 MOZ Rank: 49