Warner New Hampshire ZIP Codes

Warner holds a single ZIP code.

Every ZIP code in Warner

The complete list of Warner, New Hampshire ZIP codes with the county each falls in.
ZIP code	County
03278	Merrimack County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Warner codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Warner. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Warner ZIP code begins 032. Those first three digits identify the sectional center facility that processes mail for this part of New Hampshire. Statewide that range covers 64 ZIP codes, so Warner accounts for 2% of it.

Every New Hampshire ZIP prefix and the region it covers →

Area codes covering Warner

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Warner occupies.

603 Area code 603

Warner New Hampshire area codes in full →

Where Warner's ZIP codes sit

Each point is one Warner ZIP code, plotted from its record coordinates.

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

Cities near Warner

The closest places to Warner with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Henniker New Hampshire ZIP codes	7.1 mi	1 ZIP code
Newbury New Hampshire ZIP codes	9.8 mi	1 ZIP code
Andover New Hampshire ZIP codes	10 mi	1 ZIP code
Hillsborough New Hampshire ZIP codes	12 mi	1 ZIP code
Concord New Hampshire ZIP codes	14 mi	4 ZIP codes
Franklin New Hampshire ZIP codes	14 mi	1 ZIP code
Canterbury New Hampshire ZIP codes	14 mi	1 ZIP code
Sunapee New Hampshire ZIP codes	15 mi	1 ZIP code

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