903 Area Code — Tyler, TX
Area code 903 serves Tyler and 3 other cities in Texas. Local time follows America/Chicago. It overlays with 430, so 10-digit dialling is required.
- State
- Texas
- Primary city
- Tyler
- Timezone
- America/Chicago
- In service since
- 1990
- Type
- Geographic
- Overlay codes
- 430
Cities Served by 903
The 903 area code covers 4 cities and communities in Texas.
- Tyler
- Longview
- Texarkana
- Sherman
About Area Code 903
Area code 903 is a North American Numbering Plan (NANP) area code that has been in service since 1990. It is administered by NANPA on behalf of the FCC and serves the Texas region anchored on Tyler.
903 now shares its territory with an overlay code (430). 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 903 are portable: a person who moved away from Tyler may still carry a 903 mobile number on their device. If you receive an unexpected call from a 903 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 (430). See the related codes section below to explore the rest of Texas.
Other Texas Area Codes
Continue exploring the Texas numbering plan.
903 Area Code FAQ
Where is area code 903?
Area code 903 is located in Texas, primarily serving Tyler and surrounding cities including Longview, Texarkana, Sherman. The region operates on CT (America/Chicago) time.
What state is 903 area code?
903 is a Texas area code. It was put into service in 1990 and shares its geographic footprint with overlay code 430.
Is 903 a scam area code?
903 is a legitimate North American area code allocated by NANPA to Texas. Like any geographic area code, scammers sometimes spoof 903 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 903 use?
Area code 903 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 903 phone number?
Yes. Use the reverse lookup widget above to enter a full 903 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 903 and 430?
903 and 430 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.