281 Area Code: Houston, Texas

The 281 area code covers metropolitan Houston, sharing geography with the long-running 713 across the broader region. Houston anchors the directory's records here. The city sits on the flat coastal plain of southeastern Texas, organized around a downtown core, the Texas Medical Center (the largest medical complex in the world by some measures), the Johnson Space Center to the southeast, and the surrounding petrochemical complex along the Houston Ship Channel and Galveston Bay. The 281 footprint extends across the broad ring of suburbs that surround the city — Sugar Land, the Woodlands, Pasadena, Pearland, and a long list of communities that fill out the metropolitan area.

In records the directory has compiled for 281 numbers, other Texas cities — Abilene, Austin, Beaumont, and College Station — recur frequently. None of those are inside the 281 footprint. The pattern reflects standard public-record dynamics, with phone numbers porting across Texas and addresses linked across multiple cities. The directory currently documents 697 distinct prefixes within 281 in detail, a working subset of the prefix population the code carries.

Houston's home values come in close to the US median, with median household income running below the national figure but not severely so. The city's median age sits a few years under the US reading, and population places Houston among the largest cities in the country — substantial enough to anchor a metropolitan area that pulls steadily on populations from across Texas and the broader Gulf Coast region.