Area code 737 serves Austin, TX, and surrounding areas as an overlay to 512. Learn its geographic reach, including Round Rock & Pflugerville. Understand mandatory 10-digit dialing, even for local calls, due to the overlay. Activated in 2013, it supports Austin's growing tech sector (~9,800 employers).
Frequently Asked Questions
What is area code 737 for?
Where is the 737 area code located?
How do I dial a 737 number from Austin?
Why does Austin have two area codes?
When should I use 10-digit dialing for 737?
What is the overlay area code for Austin?
How to dial 737 area code from outside Texas?
Can I still dial 7 digits in Austin for local calls?
What cities are included in area code 737?
When was area code 737 implemented?
How to troubleshoot 737 area code dialing problems?
Why is 10-digit dialing required for area code 737?
