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is a small unincorporated community in Buffalo Township, Butler County in Pennsylvania in the United States. Located in the south-eastern part of Butler County. Sarver is generally known as the area south-west of State Route 356 (Butler Road/South Pike Road/North Pike Road) in the township. Sarver used to only be a few grocery stores, gas stations, and car dealerships. Now, it has grown to hold many new mid to high income housing plans, new shopping centers, and new businesses. The ZIP code is 16055. This community is quiet and has had a growing population in the last 10 years. Many of the residents of Sarver attend school in the Freeport Area School District.