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U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

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Montgomery County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Montgomery County.

County State ZIP Code City Area Codes
Montgomery County PA 19455 North Wales 215
Montgomery County PA 19456 Oaks 484, 610, 835
Montgomery County PA 19462 Plymouth Meeting 215, 267, 445, 484, 610, 835
Montgomery County PA 19464 Pottstown 484, 610, 835
Montgomery County PA 19468 Royersford 484, 610, 835
Montgomery County PA 19472 Sassamansville 484, 610, 835
Montgomery County PA 19473 Schwenksville 215, 267, 445, 484, 610, 835
Montgomery County PA 19474 Skippack 484, 610, 835
Montgomery County PA 19477 Spring House 215, 267, 445
Montgomery County PA 19478 Spring Mount 484, 610, 835
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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.