Area Code 205-203 located in JEFFERSON, JEFFERSON, AL, more detail is as below. Place NPA (Numbering Plan Area) : 205 NXX (Local Number Prefix) : 203 City : JEFFERSON County : JEFFERSON State : AL (Alabama) NXX Intro Version : 6/14/2013 Rate Center : BIRMINGHAM ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 205203 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BIRCH COMMUNICATIONS, INC. - AL OCN (Operating Company Number) : 2828 Latitude : None Longitude : None ‹ previous : 205-202 next › : 205-206 Telephone Number List 205-203-0000 ~ 205-203-9999