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ZIP Code 03307 – Loudon, NH

Loudon, New Hampshire · Merrimack County · Eastern time

ZIP code03307
CityLoudon
StateNew Hampshire
CountyMerrimack County
Area code603
Population5,724
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area46.96 sq mi
Center (lat, long)43.3340, -71.4467

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Nearby ZIP codes

03258 Chichester · 5.1 mi03224 Canterbury · 5.2 mi03237 Gilmanton · 7.4 mi03263 Pittsfield · 7.6 mi03837 Gilmanton Iron Works · 8.2 mi03301 Concord · 8.6 mi03218 Barnstead · 8.7 mi03305 Concord · 9 mi

About ZIP 03307

ZIP code 03307 is assigned to Loudon, New Hampshire. It lies in Merrimack County. Its Census area covers about 46.96 square miles of land. The closest neighboring ZIP is 03258 (Chichester), about 5.1 miles away.

Every address in 03307 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources