16603 ZIP Code — Altoona, PA
Blair County, Pennsylvania
ZIP code 16603 is located in Altoona, Pennsylvania, within Blair County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 814.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
16603 ZIP code map
Cities in ZIP code 16603
Below are the cities the US Postal Service accepts for ZIP code 16603. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Altoona | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 42 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 40.5188 |
| Longitude | -78.3952 |
| Timezone | Eastern (ET) |
| Area code | 814 |