ZIP Codes:
20001,
20002,
20003,
20004,
20006,
20024,
20037,
20228,
20230,
20245,
20418,
20506,
20510,
20520,
20540,
20551,
20560,
20565,
20566
Neighboring Tracts:
Tract 000100,
Tract 004702,
Tract 005600,
Tract 005800,
Tract 005900,
Tract 006500,
Tract 006600,
Tract 007301,
Tract 008200,
Tract 008301,
Tract 010100,
Tract 010200,
Tract 010500,
Tract 010600,
Tract 010700,
Tract 010800,
Tract 011000,
Tract 980100,
Tract 980200