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18631 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
Mifflinville, PA PRIMARY Significado PO BOX 1.038

Postal Zone from ZIP Code 18631 - United States

18631 ZIP Code - United States
ZIP Code Tabulation Areas (ZCTAs) for 18631 ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

18631 details

City Mifflinville
County Columbia
State Pennsylvania
Estimated Population 1.180
Density 265,40
Timezone America/New_York
Latitude 41.029580000
Longitude -76.303350000

Average county area weight on ZIP Code 18631

County FIP Weight
Columbia 42037 100%

ZIP Code Pennsylvania

Check the list of Pennsylvania ZIP Code.

United States ZIP Code

See all the USA ZIP Code.

Status Definitions
  • 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.