Detailed information about ZIP code 21230 located in Baltimore, Maryland. This postal code covers standard areas with a population of 23,055 residents.
The ZIP code 21230 is part of the USPS (United States Postal Service) system serving the Baltimore area. This code ensures efficient mail delivery and geographic organization within Maryland.

Detailed information about ZIP code 21230 located in Baltimore, Maryland. This postal code covers standard areas with a population of 23,055 residents.
The ZIP code 21230 is part of the USPS (United States Postal Service) system serving the Baltimore area. This code ensures efficient mail delivery and geographic organization within Maryland.
| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Baltimore, MD | PRIMARY | 21230 | STANDARD | 23.055 |
| City | Name | Zip Code | Type |
|---|---|---|---|
| Baltimore, MD | PRIMARY | 21230 | STANDARD |