Blair County, Pennsylvania ZIP Codes

15 ZIP Codes

Zip Code
City
Population ↓
16601Altoona33,515
16602Altoona26,352
16648Hollidaysburg14,904
16686Tyrone13,427
16635Duncansville12,003
16662Martinsburg6,069
16673Roaring Spring5,204
16693Williamsburg3,795
16625Claysburg3,147
16617Bellwood2,392
16637East Freedom2,345
16682Sproul402
16665Newry253
16684Tipton108
16631Curryville57

Overview of ZIP Codes in Blair County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
15
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 15 ZCTAs in Blair County, Pennsylvania (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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