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Peterborough, NH ZIP code

The ZIP code for Peterborough, New Hampshire is 03458. It is in Hillsborough County.

Population in these ZIPs
6,872
Avg. median income
$98,700population-weighted
Typical home value
$477,500population-weighted
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ZIP codes within 10 miles

Peterborough, NH ZIP code list

Peterborough, NH ZIP codes
ZIP codePopulationMedian incomeTypical home value
034586,872$98,684$477,500

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

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Frequently asked questions

What is the ZIP code for Peterborough, NH?

The ZIP code for Peterborough, NH is 03458.

What county is Peterborough, New Hampshire in?

Peterborough ZIP codes are in Hillsborough County.