Connect with the energy capital of the world with a 346 virtual number — Houston's overlay code serving the Texas Medical Center, the Energy Corridor, and the Port of Houston's global trade network. Activate in seconds.
Area code 346 is a Houston overlay, sharing the Greater Houston metro with 713, 281, and 832. Houston is the energy capital of the world: Chevron, ConocoPhillips, Schlumberger, Halliburton, Baker Hughes, and ExxonMobil all maintain major Houston operations. The Texas Medical Center is the world's largest medical complex, with 60+ institutions, 106,000 employees, and more heart surgeries performed annually than anywhere on Earth. The Port of Houston is the nation's largest petrochemical port and among the top five by total tonnage. Houston's emergence as a technology and space economy hub — with NASA's Johnson Space Center anchoring a growing commercial space industry — makes the 346 overlay a high-value area code across multiple sectors.
From Houston to El Paso 346 covers the South Central region of Texas.
The Texas Medical Center in Houston employs 106,000 people and performs more heart surgeries than anywhere on Earth. Medical device, pharmaceutical, and health technology companies need a local Houston number to credibly serve this globally dominant healthcare ecosystem.
Houston's Energy Corridor houses the North American headquarters of Chevron, Shell, BP, and ConocoPhillips. Energy technology, engineering services, and industrial software companies need a local 346 number to engage the world's energy industry hub.
The Port of Houston handles more petrochemical tonnage than any other US port. Logistics, freight forwarding, and trade services companies benefit from a local Houston number when engaging the port's extensive shipper and carrier network.
NASA's Johnson Space Center in Clear Lake is home to Mission Control and the commercial spaceflight community that has grown around SpaceX and other NewSpace companies. Aerospace contractors and technology vendors serving JSC need a local Houston number.
Every 346 number ships with fourteen professional tools for Houston's energy-and-medical economy — compliance call recording for the Energy Corridor's and Texas Medical Center's vendor requirements, 24/7 routing for the Port of Houston's continuous logistics operations, and IVR for Greater Houston's business community.
Redirect every call to any device — mobile, desk phone, or laptop. Set rules by time, caller, or team.
Four steps. Five minutes. No technical setup, no hardware required.
Browse 346 numbers by Houston's Energy Corridor, Medical Center, or Greater Houston prefix — or port your existing Houston number for free.
Select a plan for your Houston team — energy sector vendor, Texas Medical Center partner, or Port of Houston logistics firm, every feature included.
Configure your 346 line with Central Time routing for Houston's energy industry schedule and the Texas Medical Center's clinical calendar.
Take 346 calls anywhere — the Energy Corridor's procurement community, the Texas Medical Center's vendor network, and Greater Houston's business sector all see a trusted local Houston number.
Pick a region, then select any state to see every active area code with city coverage, time zones, and a number-picker shortcut.
Full Area Code Guide
Everything you need to know about the 346 area code
Coverage maps, city breakdowns, dialling tips, and how to get a virtual 346 number — all in one place.
Everything you need to know before getting a virtual 346 phone number. Our team is one click away for anything else.
Area code 346 serves Texas (TX), covering Houston, San Antonio, Dallas, Austin and surrounding communities in the Central Time (CT) zone.
Yes. Anyone in the US — or internationally — can dial your 346 number just like a regular phone. The local Texas area code builds trust with local callers while the number works globally.
Yes. TKOS 346 numbers are 100% virtual — establish a Texas presence from anywhere in the world. Calls, texts, and voicemails route to any device you choose.
Yes. TKOS integrates with HubSpot, Zoho, and other leading CRMs. Every 346 call and text is automatically logged, so your team has a complete conversation history without manual data entry.
Yes. Studies consistently show local area code numbers are answered up to 4× more often than toll-free or out-of-state numbers. A 346 number signals to Houston and San Antonio customers that you're a genuine local business.
Try the full UCaaS platform — business phone, team chat, video and AI contact center — free. The platform you pilot today carries your millionth minute. No migration. No replatforming.