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Area code 713

Area code 713 Houston, Texas

Area code 713 is one of the original 1947 area codes, in Texas, with numbers assigned in Houston, Spring, Sugar Land and 7 more places. It’s 11:14 PM there now.

State
Texas29 area codes in Texas
Time zone
Central11:14 PM there now
Exchanges
78510 places
Overlay
281, 346, 621 and 832Same area, 10-digit dialing
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Where area code 713 is

Numbers in 713 are assigned to 10 places in 8 counties: Harris County, Fort Bend County, Montgomery County, Waller County, Chambers County, Galveston County, plus 2 more.

Houston holds most of them: 97% of the exchanges.

  • Houston759
  • Spring5
  • Sugar Land2
  • Baytown2
  • Deer Park1
  • Cleveland1
  • Seabrook1
  • Tomball1
  • League City1
  • Brookshire1

Phone companies in 713

785 blocks of numbers in 713 are held by 26 phone companies. The most belong to AT&T (471), Spok (62) and AT&T Mobility (55).

Mostly landline: about 61% of blocks belong to local phone and cable companies, 13% to wireless networks and 26% to other carriers.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

713 has been in service since 1947, when the first North American area codes were set up.

281 (since 1996), 346 (since 2014), 621 (since 2025) and 832 (since 1999) share the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

21 new exchanges were assigned since 2021, the latest in February 2026.

Calling 713

It’s 11:14 PM Central time in 713 right now.

From elsewhere in the U.S., dial 1, 713 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Texas has 29 area codes: 210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 621, 682, 713, 726, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972 and 979.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 713 area code

Map of the 713 area code around Houston, Spring and Sugar Land, Texas.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 713

Where is area code 713?

In Texas, covering Houston, Spring and Sugar Land and other places across 8 counties.

What time zone is 713 in?

Central time. It was 11:14 PM there when this page loaded.

Is 713 an overlay?

Yes. 281, 346, 621 and 832 serve the same area, so dial all 10 digits for local calls.

Which phone companies have 713 numbers?

26 companies hold blocks; the most belong to AT&T, Spok and AT&T Mobility. About 13% of blocks are wireless.

Is 713 running out of numbers?

Not on record. 21 new exchanges have been assigned since 2021.