Zip Area Code

New London, New Hampshire

New London, New Hampshire, in Merrimack County, has ZIP code 03257 and area code 603.

ZIP code
03257
Area code
603
Time zone
Eastern Time
Coordinates
43.4145, -71.9857

ZIP codes in New London

ZIP codePost officeCountyArea codes
03257New LondonMerrimack County603

Area code for New London

  • Area code 603

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Time zone

New London is in the Eastern Time zone.

Towns near New London