Find the last 4 digits (ZIP+4) for an address in 03603

ZIP 03603, Charlestown, NH is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 03603 – Charlestown, NH

Charlestown, New Hampshire · Sullivan County · Eastern time

ZIP code03603
CityCharlestown
StateNew Hampshire
CountySullivan County
Area code603
Population5,238
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area44.25 sq mi
Center (lat, long)43.2479, -72.3737

Map

Nearby ZIP codes

03601 Acworth · 3.1 mi05156 Springfield · 6.2 mi03607 South Acworth · 6.6 mi03602 Alstead · 7.5 mi03604 Drewsville · 8 mi03609 North Walpole · 8.1 mi03743 Claremont · 8.1 mi05101 Bellows Falls · 8.2 mi

About ZIP 03603

ZIP code 03603 is assigned to Charlestown, New Hampshire. It lies in Sullivan County. Its Census area covers about 44.25 square miles of land. The closest neighboring ZIP is 03601 (Acworth), about 3.1 miles away.

Every address in 03603 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