Town Chart.

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

ZIP code 03858

Newton, NH · Rockingham County

About ZIP code 03858

  • ZIP code 03858 is in Newton, Rockingham County, New Hampshire.
  • About 4,836 people live in it, which is 190.3 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 42.868, -71.044.

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.

Newton, NH

ZIP code 03858 is the post office name for Newton, Rockingham County, NH. 4,836 people live in Newton. Typical household income is $138,487. A typical home costs $459,500.

  • Stronger than most towns on: Safety, State taxes and Long, healthy lives.
  • Weaker than most towns on: Property taxes, Cost of living and Pleasant weather for being outdoors.

See all figures for Newton

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.