Westminster zipcode
| City | Westminster |
| ZIP Code | 21157 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Westminster is 21157. This place is located in Maryland state in US. To send any postal service to Westminster, you must use 21157 zipcode.
You should avoid following 1 city name of Maryland to be used with the ZIP code 21157.
- Carrollton, MD