Area Code 640

New Jersey (NJ) • Trenton, Princeton, Absecon, Joint Base Mdl, Allentown, Atlantic City, Avalon, Barnegat • Eastern Time (ET)

What Stands Out

•Coverage: 1.2M people across 105 ZIP codes.
•Overlapping area codes: 609.
•Major cities: Trenton, Princeton, Absecon.

Spotlight: Coverage

Snapshot highlights for area code 640.

Income

84th

Home values

79th

Poverty rate

44th

Area Code Basics

Primary State

New Jersey (NJ)

States Served

New Jersey (NJ)

Major Cities

Trenton, Princeton, Absecon, Joint Base Mdl, Allentown, Atlantic City, Avalon, Barnegat

Time Zone(s)

Eastern Time (ET)

Est. Population

1.2M

ZIP Codes

105

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.