There is also a Belfast Township in Fulton County, Pennsylvania. {{#invoke:Coordinates|coord}}{{#coordinates:40|47|0|N|75|16|35|W|type:city_region:US-PA |primary |name= }} Belfast Settlement Country United States State Pennsylvania County Northampton Elevation 525 ft (160 m) Coordinates coord}}{{#coordinates: 40|47|0|N|75|16|35|W|type:city_region:US-PA name= }} Area 1.1 sq mi (2.8 km) - land 1.1 sq mi (3 km) - water 0.0 sq mi (0 km), 0% Population 1,257 (2010) Density 1,181 / sq mi (456 / km) Timezone EST - summer (DST) EDT ZIP code 18064 Area code 610