Town Chart.

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

ZIP code 03781

Plainfield, NH · Sullivan County

About ZIP code 03781

  • ZIP code 03781 is in Plainfield, Sullivan County, New Hampshire.
  • About 1,918 people live in it, which is 15.5 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 43.553, -72.284.

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.

Plainfield, NH

ZIP code 03781 is the post office name for Plainfield, Sullivan County, NH. 2,522 people live in Plainfield. Typical household income is $122,656. A typical home costs $442,400.

  • Stronger than most towns on: Safety, State taxes and Clean air and low disaster risk.
  • Weaker than most towns on: Property taxes, Pleasant weather for being outdoors and Cost of living.

See all figures for Plainfield

Other ZIP codes in Plainfield

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.