ZIP Code 03458

03458 is one of New Hampshire's ZIP codes, delivering to addresses in Peterborough, Hillsborough County.

City: Peterborough
County: Hillsborough County
State: New Hampshire
Prefix: 034xx

Where this code sits

03458 is part of the 034xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Peterborough.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03458 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03458

The ZIP codes whose reference points sit closest to 03458.
ZIP code	Distance	Delivers to
ZIP code 03468	0.8 mi	West Peterborough, NH
ZIP code 03444	5.3 mi	Dublin, NH
ZIP code 03047	5.8 mi	Greenfield, NH
ZIP code 03452	6.2 mi	Jaffrey, NH
ZIP code 03449	6.5 mi	Hancock, NH
ZIP code 03084	6.6 mi	Temple, NH
ZIP code 03450	8.5 mi	Harrisville, NH
ZIP code 03082	8.8 mi	Lyndeborough, 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 03458, plotted from its record coordinates.

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

Scope ZIP code 03458. 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.