Houston: Energy Capital Area Codes
Houston is the 4th largest US city and the undisputed energy capital of the world. With NASA, the Texas Medical Center, and the Port of Houston, the city's area codes serve diverse industries.
Houston Area Code Overview
- 713 — Original Houston code (1947), covers inner-city Houston. The prestige code.
- 281 — Suburbs and outer Houston (1996). The suburban workhorse.
- 832 — City-wide overlay (2000). Available and modern.
- 346 — Newest overlay (2014). Most available.
| Area Code | Best Industries | Coverage |
|---|---|---|
| 713 | Energy, Oil & Gas, Law, Medical | Inner Houston |
| 281 | Aerospace (NASA), Suburbs, Manufacturing | Greater Houston suburbs |
| 832 | Startups, General business | All Houston metro |
| 346 | New businesses, Second lines | All Houston metro |
Choosing Your Houston Area Code
- Energy & Oil/Gas companies: 713 is the only choice — it's the code of the energy corridor
- Medical practices: 713 (Texas Medical Center) or 281 (suburban clinics)
- NASA/Aerospace: 281 covers Clear Lake/JSC area — the space code
- New businesses on a budget: 832 or 346 offer more available memorable numbers at lower prices
💡 Pro Tip: Houston's huge Hispanic population means bilingual vanity numbers work exceptionally well here. Consider numbers that work in both English and Spanish contexts.



