Sent TeamMar 8, 2026 / phone number standards / Area Codes
Understanding Area Code 713: Houston's Original Phone Code
Explore area code 713, Houston's original code. This guide details its coverage beyond Houston, including Alvin, Pasadena and Pearland. Learn 7/10-digit dialing, regulatory oversight by PUCT, and number availability. Store numbers in E.164 format (+1713) for compatibility.
Frequently Asked Questions
What cities are covered by area code 713?
How do I dial a 713 number locally in Houston?
What is the correct way to dial a 713 number from outside the US?
What is the area code 713 history?
What is the significance of area code 713 in Houston?
What telecommunication services are available within area code 713?
How do I dial 713 from a different area code in the USA?
Why is understanding area code 713 important for developers?
Who regulates the 713 area code?
Is it difficult to get a new 713 number due to Houston's size?
How does the history of area code 713 explain its current size?
How can developers ensure proper storage of 713 numbers in their applications?
Why does area code 713 also include nearby cities?
When is Houston expected to need a new area code beyond 713, 832 and 346?
