Town Chart.

← Look up another ZIP code · All towns in New Hampshire

ZIP code 03873

Sandown, NH · Rockingham County

About ZIP code 03873

  • ZIP code 03873 is in Sandown, Rockingham County, New Hampshire.
  • About 6,628 people live in it, which is 183.6 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 42.933, -71.183.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Sandown, NH

ZIP code 03873 is the post office name for Sandown, Rockingham County, NH. 6,628 people live in Sandown. Typical household income is $135,040. A typical home costs $483,400.

  • Stronger than most towns on: Safety, Home internet and working from home and State taxes.
  • Weaker than most towns on: Cost of living, Property taxes and Short commute.

See all figures for Sandown

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.