211
- 21102 Manchester
- 21104 Marriottsville
- 21105 Maryland Line
- 21108 Millersville
- 21111 Monkton
- 21113 Odenton
- 21114 Crofton
- 21117 Owings Mills
- 21120 Parkton
- 21122 Pasadena
- 21128 Perry Hall
- 21130 Perryman
- 21131 Phoenix
- 21132 Pylesville
- 21133 Randallstown
- 21136 Reisterstown
- 21140 Riva
- 21144 Severn
- 21146 Severna Park
- 21152 Sparks Glencoe
- 21153 Stevenson
- 21154 Street
- 21155 Upperco
- 21156 Upper Falls
- 21157 Westminster
- 21158 Westminster
- 21160 Whiteford
- 21161 White Hall
- 21162 White Marsh
- 21163 Woodstock