ZIP Code 03780

03780 is one of New Hampshire's ZIP codes, delivering to addresses in Pike, Grafton County.

City: Pike
County: Grafton County
State: New Hampshire
Prefix: 037xx

Where this code sits

03780 is part of the 037xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Pike.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03780 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03780

The ZIP codes whose reference points sit closest to 03780.
ZIP code	Distance	Delivers to
ZIP code 03765	2.6 mi	Haverhill, NH
ZIP code 03779	4.3 mi	Piermont, NH
ZIP code 03774	5.0 mi	North Haverhill, NH
ZIP code 05051	6.2 mi	Newbury, VT
ZIP code 05085	6.3 mi	West Newbury, VT
ZIP code 03238	6.5 mi	Glencliff, NH
ZIP code 05033	6.7 mi	Bradford, VT
ZIP code 03279	8.2 mi	Warren, 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 03780, plotted from its record coordinates.

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

Scope ZIP code 03780. 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.