18040 ZIP Code - United States

This ZIP Code belongs to the following areas. Below you can see the map of the postal area.

City	City	ZIP Type	Estimated Population
Easton, PA	PRIMARY	STANDARD	13.958
Forks Township, PA	ACCEPTABLE	STANDARD	13.958
Forks Twp, PA	ACCEPTABLE	STANDARD	13.958
Stockertown Township, PA	ACCEPTABLE	STANDARD	13.958
Stockrtwn Twp, PA	ACCEPTABLE	STANDARD	13.958

Postal Zone from ZIP Code 18040 - United States

County	FIP	Weight
Northampton	42095	100%

See all the USA ZIP Code.

PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.