ZIP Code 21289 is located in Baltimore Maryland. 21289 is entirely within Baltimore County. Regionally, 21289 is located in Metro Baltimore.
| ZIP Code Name | Baltimore |
| Primary County | Baltimore County |
| ZIP Code Type | Unique |
| Current Time | EST |
| Coordinates | 39.31089020,-76.72671509 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| School Districts in 21289 | |
| Elementary Schools in 21289 | |
| Middle Schools in 21289 | |
| High Schools in 21289 |