Zip2
| Zipcode | Latitude | Longitude | Time Zone | City | State | County |
| 20001 | 38.912217 | 77.017691 | | WASHINGTON | DC | |
| 20002 | 38.902365 | 76.990055 |  | WASHINGTON | DC |  |
| 20003 | 38.882941 | 76.989539 | | WASHINGTON | DC | |
| 20004 | 38.892955 | 77.026303 |  | WASHINGTON | DC |  |
| 20005 | 38.906731 | 77.031236 | | WASHINGTON | DC | |
| 20006 | 38.896444 | 77.044701 |  | WASHINGTON | DC |  |
| 20007 | 38.914365 | 77.074042 | | WASHINGTON | DC | |
| 20008 | 38.936282 | 77.059936 |  | WASHINGTON | DC |  |
| 20009 | 38.920202 | 77.037504 | | WASHINGTON | DC | |
| 20010 | 38.93272 | 77.032183 |  | WASHINGTON | DC |  |
| 20011 | 38.951786 | 77.020251 | | WASHINGTON | DC | |
| 20012 | 38.975712 | 77.028248 |  | WASHINGTON | DC |  |
| 20015 | 38.965768 | 77.067961 | | WASHINGTON | DC | |
| 20016 | 38.938117 | 77.086037 |  | WASHINGTON | DC |  |
| 20017 | 38.936723 | 76.994038 | | WASHINGTON | DC | |
| 20018 | 38.927724 | 76.976159 |  | WASHINGTON | DC |  |
| 20019 | 38.890237 | 76.937588 | | WASHINGTON | DC | |
| 20020 | 38.860039 | 76.974187 |  | WASHINGTON | DC |  |
| 20024 | 38.875939 | 77.016028 | | WASHINGTON | DC | |
| 20032 | 38.833843 | 76.999549 |  | WASHINGTON | DC |  |
| 20036 | 38.908704 | 77.041434 | | WASHINGTON | DC | |
| 20037 | 38.901446 | 77.050448 |  | WASHINGTON | DC |  |
| 20301 | 38.891019 | 77.038196 | | PENTAGON | DC | |
| 20331 | 38.800324 | 76.886695 |  | ANDREWS AFB | MD |  |
| 20336 | 38.839473 | 77.014827 | | WASHINGTON | DC | |
| 20601 | 38.637065 | 76.877787 |  | WALDORF | MD |  |
| 20602 | 38.601545 | 76.903414 | | SAINT CHARLES | MD | |
| 20603 | 38.624929 | 76.961154 |  | SAINT CHARLES | MD |  |
| 20606 | 38.249554 | 76.744104 | | ABELL | MD | |
| 20607 | 38.671992 | 77.016217 |  | ACCOKEEK | MD |  |