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ZIP code 03257

New London, NH · Merrimack County

About ZIP code 03257

  • ZIP code 03257 is in New London, Merrimack County, New Hampshire.
  • About 4,484 people live in it, which is 73.5 people per square mile.
  • It also reaches into Sullivan County.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 43.418, -71.991.

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.

New London, NH

ZIP code 03257 is the post office name for New London, Merrimack County, NH. 4,433 people live in New London. Typical household income is $107,773. A typical home costs $554,100.

  • Stronger than most towns on: State taxes, Safety and Health and medical care.
  • Weaker than most towns on: Pleasant weather for being outdoors, Cost of living and Housing affordability.

See all figures for New London

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.