713 Area Code — Houston, TX
Area code 713 serves Houston in Texas. Local time follows America/Chicago. It overlays with 281, 346, 832, so 10-digit dialling is required.
- State
- Texas
- Primary city
- Houston
- Timezone
- America/Chicago
- In service since
- 1947
- Type
- Geographic
Cities Served by 713
The 713 area code covers 1 city in Texas.
- Houston
About Area Code 713
Area code 713 is a North American Numbering Plan (NANP) area code that has been in service since 1947. It is administered by NANPA on behalf of the FCC and serves the Texas region anchored on Houston.
713 now shares its territory with overlay codes (281, 346, 832). 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 713 are portable: a person who moved away from Houston may still carry a 713 mobile number on their device. If you receive an unexpected call from a 713 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 (281, 346, 832). See the related codes section below to explore the rest of Texas.
Other Texas Area Codes
Continue exploring the Texas numbering plan.
713 Area Code FAQ
Where is area code 713?
Area code 713 is located in Texas, primarily serving Houston. The region operates on CT (America/Chicago) time.
What state is 713 area code?
713 is a Texas area code. It was put into service in 1947 and shares its geographic footprint with overlay codes 281, 346, 832.
Is 713 a scam area code?
713 is a legitimate North American area code allocated by NANPA to Texas. Like any geographic area code, scammers sometimes spoof 713 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 713 use?
Area code 713 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 713 phone number?
Yes. Use the reverse lookup widget above to enter a full 713 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 713 and 281?
713 and 281 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.