| Postal Code information | |
|---|---|
| Place | Baltimore |
| Post Code | 21201, 21202, 21203, 21205, 21206, 21209, 21210, 21211, 21212, 21213, 21214, 21215, 21216, 21217, 21218, 21223, 21224, 21229, 21230, 21231, 21233, 21235, 21239, 21241, 21270, 21287 |
| County | Baltimore City |
| State | Maryland |
| Time zone | America/New_York |