609 area code
Atlantic City area, Eastern Time.Area code 609 covers Atlantic City, Trenton, Princeton and 36 more places in New Jersey, on Eastern Time. 640 covers the same area.
Right now in Atlantic City
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 609 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 609 has 39. Each one's share is how many 609 numbers start there. Its biggest metro area is New York-Newark-Jersey City, NY-NJ.
- Atlantic City12%
- Trenton11%
- Princeton8%
- Pleasantville7%
- Allentown4%
- Mount Holly4%
- Lawrenceville4%
- Wildwood3%
- Barnegat3%
- Ewing3%
- Burlington3%
- Mercerville3%
Also: Cranbury, Bordentown, Fort Dix, Plainsboro, Hightstown, Beach Haven, Ocean City, Hopewell (Mercer), Pennington, Medford, Pemberton, Somers Point + 15 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 609 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 609 number to them, since you can't tell a work line from a personal cell.
What applies to 609Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
609 and 640
609 went into service on January 1, 1957, split off from 201, and 856 was later split off from it. 609 and 640 cover the same area, so new numbers can get either code and neighbors can have different area codes. 609 holds 85% of the area's exchanges; 640 holds the rest. Local calls take all 10 digits.
- 1957609 starts
- 1999856 split off
- 2018640 overlay
Source: NANPA area code database
Calling a list of 609 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
609 area code FAQ
What area code is 609?
609 is a New Jersey area code for Atlantic City, Trenton, Princeton, Pleasantville and 35 more places.
What time zone is the 609 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 640 the same as 609?
Same area, different code. 609 and 640 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 609 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 609 area code start?
On January 1, 1957. It was split from 201.
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