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Annandale, Pennsylvania ZIP Code - United States

The location Annandale, PA has 2 differents ZIP Codes. Check the map below to check your ZIP Code.

City Name ZIP Code ZIP Type Estimated Population
Annandale, PA ACCEPTABLE Status defition 16018 UNIQUE 0
Annandale, PA ACCEPTABLE Status defition 16020 STANDARD 1.039

Postal Zone of Annandale, PA - USA

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

Annandale, PA belongs to which county?

Annandale, PA belongs to Butler county. Check the list of Butler county ZIP Code.

ZIP Code Pennsylvania

Check the list of Pennsylvania ZIP Code.

ZIP Code United States

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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.
  • IMPROPER/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.