Question 1

What is the area code for Houston?

Accepted Answer

The main area code for Houston, Texas is 713. Houston is now served by 5 area codes in total: 713, 281, 832, 346, 621.

Question 2

How many area codes does Houston have?

Accepted Answer

Houston has 5 area codes: 713, 281, 832, 346, 621.

Question 3

Why does Houston have more than one area code?

Accepted Answer

As Houston used up the numbers available in its original area code (713, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

Question 4

How do you dial a Houston number?

Accepted Answer

Dial all 10 digits — the area code (713 or 281 or 832 or 346 or 621) followed by the 7-digit local number. From outside the U.S., dial +1, then the area code and number.

Area codes in Houston, Texas

Area codes serving Houston