Town Chart.

← Look up another ZIP code · All towns in Connecticut

ZIP code 06320

New London, CT · Southeastern Connecticut

About ZIP code 06320

  • ZIP code 06320 is in New London, Southeastern Connecticut, Connecticut.
  • About 27,703 people live in it, which is 1,895.5 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 41.350, -72.102.

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, CT

ZIP code 06320 is the post office name for New London, Southeastern Connecticut Planning Region, CT. 27,625 people live in New London. Typical household income is $59,098. A typical home costs $253,300.

  • Stronger than most towns on: Safety, Walkability and Diversity & community.
  • Weaker than most towns on: Space and yard size, Property taxes and State taxes.

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.