737 Area Code
Covers Austin and nearby communities in Texas.
(737) 555-0142Area code 737 map
Interactive coverage map for area code 737, centered on Austin, Texas
30.2672, -97.7431
Open in OpenStreetMapArea code 737 coverage map — centered on Austin. Shaded area shows the approximate reach around the primary city.
737 is the area code for Austin and the surrounding part of Texas. It reaches roughly 1.2 million people across places such as Austin, Round Rock, Cedar Park, Georgetown and more. The region observes Central time, so a number like (737) 555-0142 is on that clock right now. On the ground it spans Hays, Williamson. It shares its territory with the overlay code 512, which sit on the exact same map. Because the 737 region uses more than one area code, you must dial all ten digits — area code included — even for a local call. You do not, however, need to dial a leading 1 for calls within the US and Canada. Scroll on for a real-time clock, an area map, the cities and counties inside 737, its related area codes, and practical advice on 737 robocalls and caller-ID spoofing.
Cities covered by 737
Cities & neighborhoods
- Austin
- Round Rock
- Cedar Park
- Georgetown
- San Marcos
Nearby & overlay area codes
Overlay codes (same area)
These share 737’s geography — a number in either code can be on the same street.
Neighboring codes
Codes for adjacent regions and metros.
Is a call from 737 a scam?
Because 737 covers a dense metro around Austin, it's a common source of both real business calls and spam. Legitimate 737 calls come from local businesses, offices and neighbors; scam calls in this region tend to imitate delivery services, banks and utilities. Remember that caller ID is trivially spoofed — a scammer anywhere can make a 737 number appear on your screen — so the area code alone never proves a call is genuinely local.
Red flags to watch for
- Pressure to act right now, or threats of arrest, fines, or service being cut off.
- Requests to pay with gift cards, wire transfer, crypto, or a payment app.
- Asking for passwords, one-time codes, your SSN, or full card/bank numbers.
- A robocall or recording, or a number that won’t let you call back.
When unsure, hang up and call the organization back on a number you look up yourself.
Calling a 737 number from abroad
Every 737 number is a US/Canada +1 number. From a mobile anywhere, the simplest approach is to dial it in international format:
+1 737 555-0142If your phone can’t dial the +, replace it with your country’s exit code, then 1, then the number:
- UK, Germany, France & most of Europe
00 1 737 555-0142 - Australia
0011 1 737 555-0142 - Japan
010 1 737 555-0142 - Mexico
00 1 737 555-0142
Within the US and Canada you don’t need any of this — just dial the ten digits 737 555-0142.
Reverse phone lookup
Check any US or Canada number to see whether it's a working line, which carrier it sits on, whether it's mobile, landline or VoIP, and roughly where it's registered.
Shows carrier, line type and location. Owner name isn't available here.
Results are for personal, informational use only and may not be used for employment, credit, housing or tenant-screening decisions.
Area code 737: frequently asked questions
Where is the 737 area code located?
The 737 area code is located in Texas, centered on Austin. It covers Hays, Williamson and nearby communities including Austin, Round Rock, Cedar Park, Georgetown, San Marcos.
What time zone is 737 in?
Area code 737 is in the Central time zone (UTC-6 (CST) / UTC-5 (CDT)). You can see the exact current local time for Austin on the live clock above.
What cities use area code 737?
Cities and areas that use 737 include Austin, Round Rock, Cedar Park, Georgetown, San Marcos. Its primary city is Austin, TX.
Do I need to dial 1 before 737?
For calls within the US, you do not need to dial a leading 1, but you do need all ten digits: 737 plus the seven-digit number. The 737 area requires ten-digit dialing because more than one area code serves it.
Is 737 a toll-free or scam number?
No — 737 is a normal geographic area code for Austin, not a toll-free code (toll-free codes are 800, 833, 844, 855, 866, 877 and 888). A 737 number is not inherently a scam, but the code can be spoofed. See the spam-call section above for how to tell.
What are the overlay area codes for 737?
Area code 737 is overlaid by 512, meaning those codes cover the same geographic area.