ZIP Code 03818

03818 is one of New Hampshire's ZIP codes, delivering to addresses in Conway, Carroll County.

City: Conway
County: Carroll County
State: New Hampshire
Prefix: 038xx

Where this code sits

03818 is part of the 038xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Conway.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03818 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03818

The ZIP codes whose reference points sit closest to 03818.
ZIP code	Distance	Delivers to
ZIP code 03849	4.3 mi	Madison, NH
ZIP code 03860	4.3 mi	North Conway, NH
ZIP code 03813	4.6 mi	Center Conway, NH
ZIP code 03832	5.6 mi	Eaton Center, NH
ZIP code 03875	6.9 mi	Silver Lake, NH
ZIP code 03847	7.2 mi	Kearsarge, NH
ZIP code 03817	7.3 mi	Chocorua, NH
ZIP code 03845	8.5 mi	Intervale, 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 03818, plotted from its record coordinates.

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

Scope ZIP code 03818. 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.