ZIP codes in Gaithersburg, Maryland
Gaithersburg has 9 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 20877 | Montgomery | 67,456 | America/New_York |
| 20878 | Montgomery | 67,456 | America/New_York |
| 20879 | Montgomery | 67,456 | America/New_York |
| 20882 | Montgomery | 67,456 | America/New_York |
| 20883 | Montgomery | 67,456 | America/New_York |
| 20884 | Montgomery | 67,456 | America/New_York |
| 20885 | Montgomery | 67,456 | America/New_York |
| 20898 | Montgomery | 67,456 | America/New_York |
| 20899 | Montgomery | 67,456 | America/New_York |
About Gaithersburg ZIP codes
ZIP codes in Gaithersburg are part of the USPS delivery network for Maryland. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 67,456.