Williamsport, PA

ZIP Codes in Williamsport, Pennsylvania

January 19, 2026

ZIP Code	Population	Coordinates
17701	43,309	41.3450, -76.8572
17702	10,653	41.1835, -77.0773
17703	--	41.3327, -77.0236
17705	--	41.3327, -77.0236

Williamsport has 4 ZIP codes

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