Callaway, MD zip code
Callaway, Maryland uses one zip code: 20620. Most of it is in St. Mary's County. Together these zip codes are home to about 1.1K people.
Zip codes
1
Population
1.1K
All zips combined
Largest zip
20620
1,115 residents
Zip codes in Callaway
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 20620 | 1,115 | $165,972 |