Area code 737

Area code 737 Austin, Texas

Area code 737 is in Texas, with numbers assigned in Austin, Georgetown, Bastrop and 27 more places. It’s 11:13 PM there now.

State: Texas29 area codes in Texas
Time zone: Central11:13 PM there now
Exchanges: 33330 places
Overlay: 512Same area, 10-digit dialing

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Where area code 737 is

Numbers in 737 are assigned to 30 places in 10 counties: Williamson County, Hays County, Bastrop County, Travis County, Caldwell County, Guadalupe County, plus 4 more.

Austin has the most, 47% of the exchanges; the rest are spread across 29 other places.

Austin155
Georgetown21
Bastrop19
San Marcos13
Kyle10
Leander10
Elgin9
Taylor8
Buda7
Lockhart6
Lampasas6
Rockdale5
Wimberley5
Burnet5
Dripping Springs5
Bertram4
Hutto4
Smithville4
Jarrell3
Martindale3
Liberty Hill3
Granger3
Milano2
Lometa2

Phone companies in 737

333 blocks of numbers in 737 are held by 44 phone companies. The most belong to Inteliquent (82), T-Mobile (39) and AT&T Mobility (29).

A large share, about 68%, belongs to competitive and internet phone carriers; wireless networks hold 29% and local phone and cable companies 3%.

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

History and overlays

737 went into service in 2013, added to the area of 512.

512 (since 1947) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

157 new exchanges were assigned since 2021, the latest in October 2026.

Calling 737

It’s 11:13 PM Central time in 737 right now.

From elsewhere in the U.S., dial 1, 737 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 737 area code

Map of the 737 area code around Austin, Georgetown and Bastrop, Texas.

Interactive map © OpenStreetMap contributors

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Questions about 737

Where is area code 737?

In Texas, covering Austin, Georgetown and Bastrop and other places across 10 counties.

What time zone is 737 in?

Central time. It was 11:13 PM there when this page loaded.

Is 737 an overlay?

Yes. 512 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 737 numbers?

44 companies hold blocks; the most belong to Inteliquent, T-Mobile and AT&T Mobility. About 29% of blocks are wireless.

Is 737 running out of numbers?

Not on record. 157 new exchanges have been assigned since 2021.