Zip Code 18109 - Allentown, Northampton, PA, United States
Zip Code 18109 Data
| Zip Code | 18109 |
|---|---|
| Area 1 (City, County) | Allentown, Northampton |
| Area 2 (City, County) | Allentown, Lehigh |
| State | Pennsylvania |
| State FIPS | 42 |
| Latitude | 40.641824 |
| Longitude | -75.430266 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |