ZIP Code 03782

03782 is one of New Hampshire's ZIP codes, delivering to addresses in Sunapee, Sullivan County.

City: Sunapee
County: Sullivan County
State: New Hampshire
Prefix: 037xx

Where this code sits

03782 is part of the 037xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sunapee.

Sunapee New Hampshire ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03782 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03782

The ZIP codes whose reference points sit closest to 03782.
ZIP code	Distance	Delivers to
ZIP code 03754	2.3 mi	Guild, NH
ZIP code 03751	3.4 mi	Georges Mills, NH
ZIP code 03773	5.0 mi	Newport, NH
ZIP code 03257	5.8 mi	New London, NH
ZIP code 03752	6.0 mi	Goshen, NH
ZIP code 03255	6.1 mi	Newbury, NH
ZIP code 03284	7.8 mi	Springfield, NH
ZIP code 03272	8.0 mi	South Newbury, 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 03782, plotted from its record coordinates.

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

Scope ZIP code 03782. 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.