| ZIP Code | 21240 |
| ZIP Code Name | Baltimore |
| Primary County | Anne Arundel County |
| ZIP Code Type | Standard |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
21240 is a United States ZIP Code located in Baltimore Maryland. 21240 is entirely within Anne Arundel County. 21240 is within Metro Baltimore.
The current unemployment level in 21240 is 3.0%.| Coordinates | 39.17478943,-76.67215729 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 4 Square Miles |
| US Congressional Districts in 21240 | |
| Maryland State Senate Districts in 21240 | |
| Maryland State House of Delegates Districts in 21240 |
| School Districts in 21240 | |
| Elementary Schools in 21240 | |
| Middle Schools in 21240 | |
| High Schools in 21240 |