610 Area Code — Allentown, PA
Area code 610 serves Allentown and 3 other cities in Pennsylvania. Local time follows America/New_York. It overlays with 484, so 10-digit dialling is required.
- State
- Pennsylvania
- Primary city
- Allentown
- Timezone
- America/New_York
- In service since
- 1994
- Type
- Geographic
- Overlay codes
- 484
Cities Served by 610
The 610 area code covers 4 cities and communities in Pennsylvania.
- Allentown
- Reading
- Bethlehem
- Norristown
About Area Code 610
Area code 610 is a North American Numbering Plan (NANP) area code that has been in service since 1994. It is administered by NANPA on behalf of the FCC and serves the Pennsylvania region anchored on Allentown.
610 now shares its territory with an overlay code (484). 10-digit dialling is required for local calls within this region because the same 7-digit number can be assigned under either code.
Mobile numbers in 610 are portable: a person who moved away from Allentown may still carry a 610 mobile number on their device. If you receive an unexpected call from a 610 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Pennsylvania, you may also interact with neighbouring or overlay codes (484). See the related codes section below to explore the rest of Pennsylvania.
Other Pennsylvania Area Codes
Continue exploring the Pennsylvania numbering plan.
610 Area Code FAQ
Where is area code 610?
Area code 610 is located in Pennsylvania, primarily serving Allentown and surrounding cities including Reading, Bethlehem, Norristown. The region operates on ET (America/New_York) time.
What state is 610 area code?
610 is a Pennsylvania area code. It was put into service in 1994 and shares its geographic footprint with overlay code 484.
Is 610 a scam area code?
610 is a legitimate North American area code allocated by NANPA to Pennsylvania. Like any geographic area code, scammers sometimes spoof 610 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 610 use?
Area code 610 operates on ET (America/New_York). Numbers in this area code follow standard Pennsylvania time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 610 phone number?
Yes. Use the reverse lookup widget above to enter a full 610 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.
What's the difference between 610 and 484?
610 and 484 cover the same Pennsylvania geographic area as overlay codes. Calls between them are local, but you must dial all 10 digits. New phone numbers in this region are assigned from either pool depending on what's available with the carrier at signup.