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ZIP codes in Warren County, Pennsylvania

Warren County, Pennsylvania has 20 ZIP codes in this list, from 16312 to 16436. They cover 16 places, among them Irvine, Warren, Chandlers Valley and Clarendon.

ZIP codePlaceLand area (sq mi)Map point
16312Chandlers Valley0.041.936, -79.310
16313Clarendon11541.730, -79.172
16329Irvine4.541.812, -79.264
16340Pittsfield93.541.837, -79.420
16345Russell94.141.946, -79.127
16347Sheffield10441.700, -79.035
16350Sugar Grove50.041.947, -79.319
16351Tidioute92.941.703, -79.375
16352Tiona11.141.743, -79.053
16365Warren13941.844, -79.173
16366Warrenno area41.844, -79.145
16367Warrenno area41.844, -79.145
16368Irvineno area41.812, -79.264
16369Irvineno area41.812, -79.264
16371Youngsville31.641.854, -79.319
16402Bear Lake25.641.970, -79.461
16405Columbus18.841.938, -79.573
16416Garland3.841.819, -79.446
16420Grand Valley49.541.696, -79.547
16436Spring Creek48.741.920, -79.448

The ZIP code areas of Warren County add up to about 882 square miles of land (2,284 sq km) as the Census Bureau draws them. The largest is 16365 (Warren), with 139 square miles.

Places with more than one code here: Irvine (3 codes), Warren (3 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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