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area code

Biggest city:





Central (GMT -6)

Nearby area codes: 

Zip codes



Major Cities:

Houston, Pasadena, Baytown, Spring, Channelview, La Porte, Deer Park, Cloverleaf, Bellaire, South Houston, Katy, Aldine, West University Place, Seabrook, Galena Park, Webster, Jacinto City, Jersey Village, Atascocita, Friendswood, League City​


Average Income:





Unemployment Rate:

The 346 area code, established in Texas, plays a pivotal role in connecting a significant metropolitan area. Geographic Coverage: Area code 346 spans the Houston-The Woodlands-Sugar Land metropolitan area in Texas. It encompasses 39 cities and 9 counties, including prominent locations like Houston, League City, Sugar Land, Conroe, and Baytown. This expansive coverage illustrates its integral role in facilitating communication across a major urban and suburban region in Texas​​. Inception and Overlay Complex: The area code was introduced on July 1, 2014, as part of an overlay plan. It is a component of the overlay complex that includes area codes 713, 281, and 832, all of which cover overlapping geographic areas. This overlay system was implemented to address the growing demand for phone numbers in the region, underscoring the area's burgeoning population and economic development​​. Assignment and Purpose: The 346 area code was assigned on April 27, 2013, and became operational on July 1, 2014. Classified as a General Purpose Code, it serves alongside the 281, 713, and 832 area codes. This categorization reflects its broad application across various communication needs within the region. The dialing pattern for local calls within the same Numbering Plan Area (NPA) is a 10-digit format, aligning with contemporary standards for telephone numbering​​. In conclusion, the 346 area code is a vital component of Texas's telecommunication infrastructure, particularly in the Houston metropolitan area. Its establishment reflects the region's growth and the evolving needs of its residents and businesses. The overlay system it is part of ensures efficient and effective communication across a densely populated and economically vibrant area.
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