Who is calling from 640?
Area code 640 belongs to Trenton, New Jersey. Enter the full number to see the carrier, line type and location free, and the owner name when on record.
Places served by 640
NANPA rate centers in 640, ranked by how many phone prefixes each holds.
Who holds 640 numbers
132 prefixes (640-XXX) are assigned. Carriers holding the most:
About 35% of 640 prefixes are held by wholesale carriers that commonly supply numbers to VoIP and texting apps (such as Google Voice or TextNow). A number from one of those blocks may not belong to a traditional phone line. What a VoIP number means.
Got a call or text from a 640 number?
- Don't call back until you know who it is. Scam calls often use local-looking numbers, and caller ID can be spoofed (FCC).
- Type the full number above. Carrier, line type and city are shown before anything is charged.
- If it is someone you met on a dating app, see reverse phone lookup for dating.
- Recognize the common scripts: fake bank alerts, unpaid toll texts, fake government agents, one-ring calls. All current phone scams.
- Report scam calls at ReportFraud.ftc.gov and add your number to the National Do Not Call Registry.
Same area, other codes
Other New Jersey area codes · see all
Questions about 640
Where is area code 640?
640 is an area code for Trenton, New Jersey, also serving places such as Lawrencevl, Pleasantvl, Trenton.
What time zone is 640?
Eastern Time (ET).
What other area codes serve the same area as 640?
609 shares the same area as 640. With overlays, 10-digit dialing is required.
Is a call from 640 a scam?
The area code alone cannot tell you. Scammers spoof local-looking numbers, so check the full number: a reverse lookup shows the line type and carrier for free, and the owner name when it is on record.
Who called me from 640?
Enter the full 640 number in the search box on this page. TrueSearch shows the carrier, line type and location free, and the owner name when it is on record. If no name is found, you do not pay.
All 640 prefixes (132)
Location is derived from the area code and may not reflect where the caller is now. Places and carriers come from the NANPA prefix report; time zones from the IANA database. TrueSearch compiles publicly available information and licensed telecom data. Not a consumer reporting agency. Not for FCRA purposes such as employment, tenant, credit or insurance screening.