Where Is Area Code 817? Fort Worth, Texas Coverage Guide
Area code 817 serves Fort Worth and Tarrant County, Texas, primarily covering Fort Worth and surrounding communities in Texas. It operates in the Central (CT) time zone and is part of an overlay with area code 682. If you received a call from a 817 number, it most likely originated from this region.
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Quick Answer: Where Is Area Code 817?
Area code 817 is a North American Numbering Plan (NANP) telephone area code assigned to Fort Worth and Tarrant County, Texas. Area code 817 serves Fort Worth and most of Tarrant County in north-central Texas, including Arlington, North Richland Hills, and Mansfield. It is overlaid with area code 682.
If you need to verify the exact city or carrier behind a number, use the free area code lookup at ziopcodefinder.com to check the geographic origin of any U.S. phone number in seconds.
History of Area Code 817
Area code 817 was one of the original 86 area codes assigned by AT&T in 1947. It originally covered a huge portion of north-central Texas. Over the decades, the region was split multiple times — area code 254 was created in 1997 to cover Waco and central Texas, and area code 682 was added as an overlay in 2000 to relieve number exhaustion in the Fort Worth metroplex.
Geography and Coverage of Area Code 817
Area code 817 is centered on the western half of the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States. It covers the city of Fort Worth, suburbs across Tarrant County, and parts of Johnson and Parker counties. The region is home to major employers like American Airlines, Lockheed Martin, BNSF Railway, and Bell Textron.
Key Facts About Area Code 817
- State / Region: Texas
- Main metro: Fort Worth
- Time zone: Central (CT)
- Overlay codes: 682
- Numbering Plan: North American Numbering Plan (NANP)
- Approximate latitude: 32.7°N
Cities and Counties Covered by Area Code 817
The table below lists the major cities, the counties they belong to, the operating time zone, and the closest neighboring area codes. This is useful when you're trying to identify a caller, route a business call, or confirm the location of a 817 phone number.
| City | County | Time Zone | Nearby Area Codes |
| --- | --- | --- | --- |
| Fort Worth | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Arlington | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| North Richland Hills | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Mansfield | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Euless | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Bedford | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Grapevine | Tarrant | Central (CT) | 214, 469, 972, 940, 254 |
| Cleburne | Johnson | Central (CT) | 214, 469, 972, 940, 254 |
Why Area Code 817 Matters
Knowing the location behind area code 817 is more than trivia. Businesses use this information to route calls correctly, set local numbers for ad campaigns, prevent fraud from spoofed numbers, and verify customer addresses. Consumers use it to identify unknown callers and avoid spam.
When a 817 number calls, it's most likely a real person or business in Fort Worth and Tarrant County, Texas. However, scammers often spoof area codes to appear local. Always verify the caller using a trusted lookup service like ziopcodefinder.com before sharing personal information.
How to Look Up an Area Code 817 Number
- Visit ziopcodefinder.com.
- Enter the 10-digit phone number or just the area code.
- Get the city, county, time zone, and ZIP code coverage instantly.
- Cross-check the result against your call log.
This is the fastest way to confirm whether a 817 number is genuinely from Fort Worth and Tarrant County, Texas or a spoofed call originating elsewhere.
Time Zone & Calling Tips for Area Code 817
Area code 817 operates in the Central (CT) time zone. If you're calling from a different region, plan around standard business hours (9:00 AM – 5:00 PM local time). During Daylight Saving Time, the offset may shift by one hour, so verify before scheduling international or cross-country calls.
Nearby and Related Area Codes
Fort Worth and Tarrant County, Texas is surrounded by several adjacent area codes. If a number you're researching isn't 817, it may belong to one of these nearby codes: 214, 469, 972, 940, 254. Each has its own coverage map and overlay structure.
Related Area Code & ZIP Code Guides
- Area Code 682 – Fort Worth Overlay
- Area Code 214 / 469 / 972 – Dallas
- Texas ZIP Code Lookup
- Fort Worth ZIP Codes
Use Our Free Lookup Tool
Use our free ZIP code and area code lookup tool at ziopcodefinder.com for instant results. Whether you're checking a single phone number or researching an entire region, our tool gives you the city, county, time zone, ZIP coverage, and nearby codes in one click — completely free, no signup required.
Frequently Asked Questions
Where is area code 817?
Area code 817 is located in north-central Texas, primarily covering Fort Worth, Arlington, and Tarrant County.
What state is 817 area code?
Texas. Specifically, the western half of the Dallas–Fort Worth metroplex.
What time zone is 817?
Central Time Zone (CT), with Daylight Saving Time observed.
Is 817 the same as 214?
No. 817 covers Fort Worth/Tarrant County, while 214 (with overlays 469 and 972) covers Dallas and surrounding counties on the eastern side of the metroplex.
What is the overlay for area code 817?
Area code 682 is the overlay, also serving Fort Worth and Tarrant County. Both require 10-digit dialing.
When was area code 817 created?
Area code 817 was one of the original area codes established in 1947.
Are 817 calls toll-free?
No. 817 is a standard geographic area code, not a toll-free prefix. Most modern phone plans include unlimited domestic calling, however.
How do I look up an 817 phone number?
Visit ziopcodefinder.com and enter the number to see the exact city, county, and ZIP coverage.
Is area code 817 safe to answer?
Most 817 calls are legitimate, but scammers can spoof any area code. Verify unknown numbers before sharing personal information.
What major airport is in area code 817?
Dallas/Fort Worth International Airport (DFW) is partially located within the 817 service area, in Tarrant County.
Final Thoughts
Area code 817 is a vital part of the telephone system in Fort Worth and Tarrant County, Texas, connecting millions of residents and businesses across Texas. Whether you're verifying a caller, expanding a business presence, or simply curious about a phone number, knowing the geography behind area code 817 helps you make smarter decisions.
Ready to look up a number? Visit ziopcodefinder.com for free, instant area code and ZIP code lookups across the United States.