17921 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
Ashland, PA	PRIMARY	STANDARD	5.064
Centralia, PA	ACCEPTABLE	STANDARD	5.064
Helfenstein, PA	ACCEPTABLE	STANDARD	5.064
Big Mine Run Junction, PA	NOT ACCEPTABLE	STANDARD	5.064
Fountain Springs, PA	NOT ACCEPTABLE	STANDARD	5.064
Homesville, PA	NOT ACCEPTABLE	STANDARD	5.064
Mable, PA	NOT ACCEPTABLE	STANDARD	5.064
Mowry, PA	NOT ACCEPTABLE	STANDARD	5.064
Taylorville, PA	NOT ACCEPTABLE	STANDARD	5.064

Postal Zone from ZIP Code 17921 - United States

County	FIP	Weight
Schuylkill	42107	99.82%
Columbia	42037	0.18%

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.