| State
| City
| AreaCode
| Prefix
| Suffix
|
| DC
| Alexandria-arlington W8
| 202
| 360
| 4213
|
| DC
| Ashton
| 202
| 360
| 4213
|
| DC
| Berwyn W13
| 202
| 360
| 4213
|
| DC
| Bethesda W2
| 202
| 360
| 4213
|
| DC
| Bowie-glen Dale W14
| 202
| 360
| 4213
|
| DC
| Braddock
| 202
| 360
| 4213
|
| DC
| Capitol Heights W5
| 202
| 360
| 4213
|
| DC
| Clinton W16
| 202
| 360
| 4213
|
| DC
| Dulles
| 202
| 360
| 4213
|
| DC
| Dulles Metro
| 202
| 360
| 4213
|
| DC
| Engleside
| 202
| 360
| 4213
|
| DC
| Fairfax-vienna W19
| 202
| 360
| 4213
|
| DC
| Falls Church-mclean W17
| 202
| 360
| 4213
|
| DC
| Gaithersburg
| 202
| 360
| 4213
|
| DC
| Herndon
| 202
| 360
| 4213
|
| DC
| Hyattsville W4
| 202
| 360
| 4213
|
| DC
| Kensington W11
| 202
| 360
| 4213
|
| DC
| Laurel
| 202
| 360
| 4213
|
| DC
| Layhill W12
| 202
| 360
| 4213
|
| DC
| Lorton
| 202
| 360
| 4213
|
| DC
| Lorton Metro
| 202
| 360
| 4213
|
| DC
| Marlboro W15
| 202
| 360
| 4213
|
| DC
| Oxon Hill W6
| 202
| 360
| 4213
|
| DC
| Rockville W10
| 202
| 360
| 4213
|
| DC
| Silver Spring W3
| 202
| 360
| 4213
|
| DC
| Washington
| 202
| 517
| 9716
|
| DC
| Washington Zone 1
| 202
| 360
| 4213
|
| DC
| Washington Zone 01
| 202
| 360
| 4055
|
| DC
| Wshngtnzn1
| 202
| 449
| 4602
|
|
| State
| City
| AreaCode
| Prefix
| Suffix
|
| DC
| Washington
| 202
| 464
| 0647
|
| DC
| Washington Zone 01
| 202
| 360
| 4055
|
|