ZIP Code 16221 is located in Curllsville Pennsylvania. 16221 is entirely within Clarion County. Regionally, 16221 is located in Metro Pittsburgh.
| ZIP Code Name | Curllsville |
| Primary County | Clarion County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 41.09835052,-79.44614410 |
| Adjacent ZIP Codes | |
| Region | Metro Pittsburgh |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| School Districts in 16221 | |
| Elementary Schools in 16221 | |
| High Schools in 16221 |