ZIP Code 03470

03470 is one of New Hampshire's ZIP codes, delivering to addresses in Winchester, Cheshire County.

City: Winchester
County: Cheshire County
State: New Hampshire
Prefix: 034xx

Where this code sits

03470 is part of the 034xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Winchester.

Winchester New Hampshire ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03470 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03470

The ZIP codes whose reference points sit closest to 03470.
ZIP code	Distance	Delivers to
ZIP code 03446	4.4 mi	Swanzey, NH
ZIP code 03441	4.6 mi	Ashuelot, NH
ZIP code 03469	6.7 mi	West Swanzey, NH
ZIP code 01378	7.7 mi	Warwick, MA
ZIP code 03451	8.2 mi	Hinsdale, NH
ZIP code 01360	8.3 mi	Northfield, MA
ZIP code 05354	8.6 mi	Vernon, VT
ZIP code 03465	8.7 mi	Troy, NH

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 03470, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 03470. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.