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Antrim, NH ZIP code

The ZIP code for Antrim, New Hampshire is 03440. It is in Hillsborough County.

Population in these ZIPs
2,661
Avg. median income
$88,900population-weighted
Typical home value
$425,200population-weighted
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ZIP codes within 10 miles

Antrim, NH ZIP code list

Antrim, NH ZIP codes
ZIP codePopulationMedian incomeTypical home value
034402,661$88,889$425,200

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 Antrim, NH?

The ZIP code for Antrim, NH is 03440.

What county is Antrim, New Hampshire in?

Antrim ZIP codes are in Hillsborough County.