Covers central and southeastern New Jersey
In service since 1956
Split from area code 201
Overlay with 640

City facts
Area code for central and southeastern New Jersey: history, overlays and how to dial.
Atlantic City uses area code 609. Because more than one area code serves the same area, local calls need all ten digits.
Covers central and southeastern New Jersey
In service since 1956
Split from area code 201
Overlay with 640
1 (609) 555-0123Dial 1, the area code, then the seven-digit number.(609) 555-0123Overlay area: always include the area code.+1 609 555 0123Use your country's exit code or +, then 1 for the US.Atlantic City is on Eastern Time (ET); check the time before calling from another zone.
Atlantic City was incorporated on May 1, 1854.
Dates, namesake and elevation from Wikipedia: Atlantic City, New Jersey and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Atlantic City uses area code 609. Because more than one area code serves the same area, local calls need all ten digits.
Area code 609 dates from 1956, when it was split from area code 201.
Yes. 609 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
Atlantic City is on Eastern Time (ET).
Other cities in this network that share 609 include Princeton.
Sources: Area codes 609 and 640 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.