817 Area Code — Fort Worth, TX
Area code 817 serves Fort Worth and 3 other cities in Texas. Local time follows America/Chicago. It overlays with 682, so 10-digit dialling is required.
- State
- Texas
- Primary city
- Fort Worth
- Timezone
- America/Chicago
- In service since
- 1953
- Type
- Geographic
- Overlay codes
- 682
Cities Served by 817
The 817 area code covers 4 cities and communities in Texas.
- Fort Worth
- Arlington
- Grand Prairie
- Mansfield
About Area Code 817
Area code 817 is a North American Numbering Plan (NANP) area code that has been in service since 1953. It is administered by NANPA on behalf of the FCC and serves the Texas region anchored on Fort Worth.
817 now shares its territory with an overlay code (682). 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 817 are portable: a person who moved away from Fort Worth may still carry a 817 mobile number on their device. If you receive an unexpected call from a 817 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Texas, you may also interact with neighbouring or overlay codes (682). See the related codes section below to explore the rest of Texas.
Other Texas Area Codes
Continue exploring the Texas numbering plan.
817 Area Code FAQ
Where is area code 817?
Area code 817 is located in Texas, primarily serving Fort Worth and surrounding cities including Arlington, Grand Prairie, Mansfield. The region operates on CT (America/Chicago) time.
What state is 817 area code?
817 is a Texas area code. It was put into service in 1953 and shares its geographic footprint with overlay code 682.
Is 817 a scam area code?
817 is a legitimate North American area code allocated by NANPA to Texas. Like any geographic area code, scammers sometimes spoof 817 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 817 use?
Area code 817 operates on CT (America/Chicago). Numbers in this area code follow standard Texas time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 817 phone number?
Yes. Use the reverse lookup widget above to enter a full 817 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 817 and 682?
817 and 682 cover the same Texas 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.