ZIP Code 18351

Zip Code: 18351
Type: POBox
Official USPS city name: Portland
Official USPS State Code: PA
Official State Name: Pennsylvania
ZCTA: TRUE
Population: 600.0
Density: 629.2
Primary Official County Code: 42095
Primary Official County Name: Northampton
Official County Name: Northampton
Official County Code: 42095
Imprecise: FALSE
Military: FALSE
Timezone: America/New_York (02:05 AM Wednesday, October 29 2025-10-29 (GMT -0400))
Geo Point: 40.92277, -75.09941