ZIP Code 03037

03037 is one of New Hampshire's ZIP codes, delivering to addresses in Deerfield, Rockingham County.

City: Deerfield
County: Rockingham County
State: New Hampshire
Prefix: 030xx

Where this code sits

03037 is part of the 030xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Deerfield.

Deerfield New Hampshire ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03037 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03037

The ZIP codes whose reference points sit closest to 03037.
ZIP code	Distance	Delivers to
ZIP code 03261	5.4 mi	Northwood, NH
ZIP code 03034	6.1 mi	Candia, NH
ZIP code 03040	6.2 mi	East Candia, NH
ZIP code 03291	6.4 mi	West Nottingham, NH
ZIP code 03290	7.2 mi	Nottingham, NH
ZIP code 03234	7.6 mi	Epsom, NH
ZIP code 03077	7.9 mi	Raymond, NH
ZIP code 03275	8.5 mi	Suncook, 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 03037, plotted from its record coordinates.

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

Scope ZIP code 03037. 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.