Area Code 667-305 located in BALTIMORE, BALTIMORE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 667 NXX (Local Number Prefix) : 305 City : BALTIMORE County : BALTIMORE State : MD (Maryland) NXX Intro Version : 5/10/2013 Rate Center : PIKESVILLE ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 667305 MSA CBSA (Core Based Statistical Area) : Baltimore-Towson, MD MSA CBSA Code (Core Based Statistical Area) : 12580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : 365 WIRELESS, LLC OCN (Operating Company Number) : 551G Latitude : None Longitude : None ‹ previous : 667-303 next › : 667-307 Telephone Number List 667-305-0000 ~ 667-305-9999