What area code is 610?
Here's everything about it.
Instant lookup for the 610 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
610 at a glance
Summary
Cities & regions served by 610
AllentownShowing 12 of 37 recorded communities — major cities first.
Where 610 sits on the map
Overlay: 484, 835Coverage area
About the 610 region
610 covers Allentown in Pennsylvania, including Bethlehem, Catasauqua, Chadds Ford, Chester and Christiana. The code has been in service since 1994.
As the Allentown region grew, 610 ran low on available numbers, so 484 and 835 were added as overlay codes over the same geographic area. Both codes are local to each other and 10-digit dialing applies throughout.
Used for Canadian TWX service until 1992 Split of 215; 1999: overlaid by 484; 2022: overlaid by 835.
Who called me from 610?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 610 does not prove the caller is really in the 610 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 610 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 610 number below.
Frequently asked questions
FAQWhat area code is 610?+–
610 is a telephone area code serving Allentown in Pennsylvania, United States, in service since 1994.
Where is area code 610 located?+–
It covers Berks County, Bucks County, Carbon County and other counties, including Bethlehem, Catasauqua, Chadds Ford, Chester and Christiana in Pennsylvania.
What cities are in area code 610?+–
Major communities on record include Bethlehem, Catasauqua, Chadds Ford, Chester and Christiana, among others. The code's territory spans the Allentown region of Pennsylvania.
What time zone is 610?+–
610 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
When did area code 610 start?+–
610 entered service in 1994. Its history: used for Canadian TWX service until 1992 Split of 215; 1999: overlaid by 484; 2022: overlaid by 835.
Why do calls to 610 require 10-digit dialing?+–
610 shares its territory with overlay code 484 and 835. Because both codes serve the same geographic area, the phone network needs all 10 digits to route a call, and calls between the codes are still local.
Is 610 a scam area code?+–
Scam and robocall traffic can use any North American code, 610 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 610 number, and report anything suspicious.
Can I get a 610 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 610 number regardless of where you physically live.