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Local 640 numbers

Get a 640 phone number for Trenton and Atlantic City.

Ask for 640 when you create a number on ExpressNumber, and the number you hand out reads as central and southeastern New Jersey, from Trenton to Atlantic City. It rings the phone you already carry, and you burn it in one tap.

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This is how you get a 640 number.

  1. Start your 7 days free and open Create a number.
  2. Type 640 as the area code and give the number a name.
  3. Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
  4. Burn it in one tap when you are done. Calls and texts to it stop at once.
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People ask for 640 when the search is in Trenton, Atlantic City or at the shore.

A summer job search in Ocean City or Wildwood puts your number in front of many employers.

Put a 640 number on every application, take the calls on your own phone and block it when the season starts.

A sublet or a room share near Princeton draws calls from strangers.

List it with a 640 number, keep your own number private and burn the number once the lease is signed.

A dog walking or lawn care side business in Mount Holly gets calls from new neighbors.

Print a 640 number on the flyer, take the calls on your own phone and end it if the business does.

This is where a 640 number is from.

Area code 640 is an all-services overlay of 609, so it covers the same area: portions of central and southeastern New Jersey, as the Board of Public Utilities puts it.

The numbering administrator's rate center map names Trenton, Atlantic City, Princeton, Burlington, Mount Holly, Ocean City, Wildwood, Hammonton, Pleasantville, Somers Point and Brigantine. Camden and Cherry Hill use 856.

  • Trenton
  • Atlantic City
  • Princeton
  • Burlington
  • Mount Holly
  • Ocean City
  • Wildwood
  • Hammonton
  • Pleasantville
  • Somers Point
  • Brigantine
  • Cape May Court House

These are the facts about area code 640.

From the public records of the body that runs US phone numbering, read October 22, 2026.

Place
Trenton and Atlantic City, New Jersey
In service since
2018
Local calls are dialed with
Ten digits
Shares its area with
609 (1957)

The Board of Public Utilities approved the overlay on April 21, 2017, so no one had to change a number.

Permissive ten-digit dialing began on January 20, 2018, ten digits became mandatory on August 18, 2018, and 640 entered service on September 17, 2018.

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Then pick the plan that fits how many numbers you hand out.

Basic

7 days free

$9.99/mo

  • 5 numbers, one for each site, store or dealer
  • 100 forwarded minutes a month
  • Burn a number in one tap
  • Extra numbers $1 a month each
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Pro

7 days free

$29.99/mo

  • 100 numbers
  • 1,000 forwarded minutes a month
  • A number per vendor, client or listing
  • Extra numbers 50¢ a month each
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$0 today. Monthly plans, cancel any time.

People ask these questions about getting a 640 number.

More in the full FAQ.

Create a number in your dashboard, type 640 as the area code and give it a name, such as Summer jobs. It is live in about a minute. You do not need to live in New Jersey: calls ring the phone you already carry.

Yes, for taking calls and texts. A dog walker, a photographer or a house cleaner in Burlington can put a 640 number on the flyer and the website, take the calls on their own phone and burn the number when the job is done.

Yes. The 640 area takes in Trenton, Atlantic City, Princeton, Burlington, Ocean City and Wildwood, and it shares the area with 609.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.

More area codes

Every fact on this page comes from public numbering records.

The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 22, 2026.

Put 640 on a number you can burn.

Hand out a number you can burn. Keep the one your family calls.

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