ZIP Code 18931 is located in Lahaska Pennsylvania. Portions of 18931 are also in Buckingham Township (Bucks County). 18931 is entirely within Bucks County. Regionally, 18931 is located in Metro Philadelphia.
| ZIP Code Name | Lahaska |
| Primary County | Bucks County |
| ZIP Code Type | PO Box |
| Area Code(s) | 215 / 267 / 445 / 472 |
| Current Time | EST |
| Coordinates | 40.34720993,-75.03222656 |
| Adjacent ZIP Codes | |
| Cities/Towns in 18931 | |
| Region | Metro Philadelphia |
| Metropolitan/Micropolitan Stat Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 0.02811450 Square Miles |
| School Districts in 18931 | |
| Elementary Schools in 18931 | |
| Middle Schools in 18931 | |
| High Schools in 18931 |