| ZIP | County | State | Area Code | Time Zone |
| 20373 | District of Columbia | DC | 202 | EST |
| 20032 | District of Columbia | DC | 202 | EST |
| 20064 | District of Columbia | DC | 202 | EST |
| 20015 | District of Columbia | DC | 202 | EST |
| 20041 | District of Columbia | DC | 703 | EST |
| 20024 | District of Columbia | DC | 202 | EST |
| 20088 | District of Columbia | DC | 202 | EST |
| 20052 | District of Columbia | DC | 202 | EST |
| 20057 | District of Columbia | DC | 202 | EST |
| 20059 | District of Columbia | DC | 202 | EST |
| 20373 | District of Columbia | DC | 202 | EST |
| 56901 | District of Columbia | DC | 202 | EST |
| 56902 | District of Columbia | DC | 202 | EST |
| 56904 | District of Columbia | DC | 202 | EST |
| 56915 | District of Columbia | DC | 202 | EST |
| 56920 | District of Columbia | DC | 202 | EST |
| 56933 | District of Columbia | DC | 202 | EST |
| 56944 | District of Columbia | DC | 202 | EST |
| 56945 | District of Columbia | DC | 202 | EST |
| 56950 | District of Columbia | DC | 202 | EST |
| 56965 | District of Columbia | DC | 202 | EST |
| 56972 | District of Columbia | DC | 202 | EST |
| 20050 | District of Columbia | DC | 202 | EST |
| 20390 | District of Columbia | DC | 202 | EST |
| 20001 | District of Columbia | DC | 202 | EST |
| 20002 | District of Columbia | DC | 202 | EST |
| 20003 | District of Columbia | DC | 202 | EST |
| 20004 | District of Columbia | DC | 202 | EST |
| 20005 | District of Columbia | DC | 202 | EST |
| 20006 | District of Columbia | DC | 202 | EST |
| 20007 | District of Columbia | DC | 202 | EST |
| 20008 | District of Columbia | DC | 202 | EST |
| 20009 | District of Columbia | DC | 202 | EST |
| 20010 | District of Columbia | DC | 202 | EST |
| 20011 | District of Columbia | DC | 202 | EST |
| 20012 | District of Columbia | DC | 202 | EST |
| 20013 | District of Columbia | DC | 202 | EST |
| 20015 | District of Columbia | DC | 202 | EST |
| 20016 | District of Columbia | DC | 202 | EST |
| 20017 | District of Columbia | DC | 202 | EST |
| 20018 | District of Columbia | DC | 202 | EST |
| 20019 | District of Columbia | DC | 202 | EST |
| 20020 | District of Columbia | DC | 202 | EST |
| 20022 | District of Columbia | DC | 202 | EST |
| 20023 | District of Columbia | DC | 202 | EST |
| 20024 | District of Columbia | DC | 202 | EST |
| 20026 | District of Columbia | DC | 202 | EST |
| 20027 | District of Columbia | DC | 202 | EST |
| 20029 | District of Columbia | DC | 202 | EST |
| 20030 | District of Columbia | DC | 202 | EST |
| 20032 | District of Columbia | DC | 202 | EST |
| 20033 | District of Columbia | DC | 202 | EST |
| 20035 | District of Columbia | DC | 202 | EST |
| 20036 | District of Columbia | DC | 202 | EST |
| 20037 | District of Columbia | DC | 202 | EST |
| 20038 | District of Columbia | DC | 202 | EST |
| 20039 | District of Columbia | DC | 202 | EST |
| 20040 | District of Columbia | DC | 202 | EST |
| 20041 | District of Columbia | DC | 703 | EST |
| 20042 | District of Columbia | DC | 202 | EST |
| 20043 | District of Columbia | DC | 202 | EST |
| 20044 | District of Columbia | DC | 202 | EST |
| 20045 | District of Columbia | DC | 202 | EST |
| 20046 | District of Columbia | DC | 202 | EST |
| 20047 | District of Columbia | DC | 202 | EST |
| 20049 | District of Columbia | DC | 202 | EST |
| 20050 | District of Columbia | DC | 202 | EST |
| 20051 | District of Columbia | DC | 202 | EST |
| 20052 | District of Columbia | DC | 202 | EST |
| 20053 | District of Columbia | DC | 202 | EST |
| 20055 | District of Columbia | DC | 202 | EST |
| 20056 | District of Columbia | DC | 202 | EST |
| 20057 | District of Columbia | DC | 202 | EST |
| 20058 | District of Columbia | DC | 202 | EST |
| 20059 | District of Columbia | DC | 202 | EST |
| 20060 | District of Columbia | DC | 202 | EST |
| 20061 | District of Columbia | DC | 202 | EST |
| 20062 | District of Columbia | DC | 202 | EST |
| 20063 | District of Columbia | DC | 202 | EST |
| 20064 | District of Columbia | DC | 202 | EST |
| 20065 | District of Columbia | DC | 202 | EST |
| 20066 | District of Columbia | DC | 202 | EST |
| 20067 | District of Columbia | DC | 202 | EST |
| 20068 | District of Columbia | DC | 202 | EST |
| 20069 | District of Columbia | DC | 202 | EST |
| 20070 | District of Columbia | DC | 202 | EST |
| 20071 | District of Columbia | DC | 202 | EST |
| 20073 | District of Columbia | DC | 202 | EST |
| 20074 | District of Columbia | DC | 202 | EST |
| 20075 | District of Columbia | DC | 202 | EST |
| 20076 | District of Columbia | DC | 202 | EST |
| 20077 | District of Columbia | DC | 202 | EST |
| 20078 | District of Columbia | DC | 202 | EST |
| 20080 | District of Columbia | DC | 202 | EST |
| 20081 | District of Columbia | DC | 202 | EST |
| 20082 | District of Columbia | DC | 202 | EST |
| 20088 | District of Columbia | DC | 202 | EST |
| 20090 | District of Columbia | DC | 202 | EST |
| 20091 | District of Columbia | DC | 202 | EST |
| 20097 | District of Columbia | DC | 202 | EST |