Area Code 667-206 located in BALTIMORE CITY, BALTIMORE CITY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 667 NXX (Local Number Prefix) : 206 City : BALTIMORE CITY County : BALTIMORE CITY State : MD (Maryland) NXX Intro Version : 2/8/2012 Rate Center : BALTIMORE ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 667206 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 667-205 next › : 667-207 Telephone Number List 667-206-0000 ~ 667-206-9999