ZIP Code 03605

03605 is one of New Hampshire's ZIP codes, delivering to addresses in Lempster, Sullivan County.

City: Lempster
County: Sullivan County
State: New Hampshire
Prefix: 036xx

Where this code sits

03605 is part of the 036xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lempster.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03605 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03605

The ZIP codes whose reference points sit closest to 03605.
ZIP code	Distance	Delivers to
ZIP code 03607	3.8 mi	South Acworth, NH
ZIP code 03601	5.3 mi	Acworth, NH
ZIP code 03456	5.6 mi	Marlow, NH
ZIP code 03280	6.4 mi	Washington, NH
ZIP code 03752	7.2 mi	Goshen, NH
ZIP code 03602	8.9 mi	Alstead, NH
ZIP code 03773	9.7 mi	Newport, NH
ZIP code 03464	11 mi	Stoddard, 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 03605, plotted from its record coordinates.

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

Scope ZIP code 03605. 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.