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ZIP code 07840

Hackettstown, NJ · Warren County

About ZIP code 07840

  • ZIP code 07840 is in Hackettstown, Warren County, New Jersey.
  • About 32,105 people live in it, which is 332.1 people per square mile.
  • It also reaches into Morris County.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 40.860, -74.832.

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.

Hackettstown, NJ

ZIP code 07840 is the post office name for Hackettstown, Warren County, NJ. 10,140 people live in Hackettstown. Typical household income is $93,083. A typical home costs $361,600.

  • Stronger than most towns on: Walkability, Safety and Diversity & community.
  • Weaker than most towns on: Property taxes, State taxes and Short commute.

See all figures for Hackettstown

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.