Area Code 281

Texas

Area code 281 serves Texas, primarily Houston, in the Central Time (CT) time zone. It is an overlay area code sharing territory with area code 713.

Overlay Area Code

This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.

This area code shares its geographic region with: area code 713 (Houston).

In service since: 02-Nov-1996

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 1,283,725
Population Density: 66 people/sq mi
below U.S. average (U.S.: 93 people/sq mi)
Median Household Income: $67,080
below U.S. median (U.S.: $75,144)
Poverty Rate: 15.1%
above U.S. average (U.S.: 11.5%)
Unemployment Rate: 6.0%
above U.S. average (U.S.: 3.6%)
Education Attainment: Bachelor's Degree+
24.5%
below U.S. average (U.S.: 33.7%)
High School or Lower
37.5%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the income ranking and density ranking.

Time Zone

Central Time (CT)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Central Time (CT)

Prefix Utilization

Geographic Coverage

State

Major Cities

Houston
Pasadena
Pearland
The Woodlands
League City
Sugar Land
Atascocita
Baytown
Missouri City
Spring
Channelview
Friendswood
Rosenberg
Mission Bend
La Porte
Deer Park
Alvin
Fulshear
Sienna
Pecan Grove
Cloverleaf
Fresno
Katy
Dickinson

and 76 more cities

Area Code 281 geographic coverage map (light mode)

Historical Timeline of Area Code 281

Area code 281 entered service on November 2, 1996 as a geographic split from area code 713, serving Houston suburbs outside Beltway 8. The split boundary was erased just two years later on January 16, 1999, when 832 was added as an all-services overlay. As of January 2025, 281 is part of a five-code overlay complex (713, 281, 832, 346, 621) serving over 8 million residents in the Greater Houston metropolitan area. Source: Texas PUC.

Key milestones:

1947: Area code 713 established as one of the original 86 area codes in the North American Numbering Plan, assigned to southeastern Texas including Houston (Source: Wikipedia)
March 19, 1983: Area code 409 split from 713 for Beaumont, Port Arthur, Galveston, and eastern Texas; 713 reduced to the immediate Houston area
November 2, 1996: Area code 281 created via geographic split from 713 for Houston suburbs outside Beltway 8. The split boundary roughly followed Sam Houston Tollway (Beltway 8). 713 retained for inner-city Houston and all existing cellphone customers
January 16, 1999: 713/281 boundary erased; area code 832 added as all-services overlay for the entire region. Mandatory 10-digit dialing implemented across the Houston metro (Source: Wikipedia)
May 9, 2013 (Wikipedia): PUCT announced addition of 346 as fourth overlay code for the Houston area
July 1, 2014 (Wikipedia): Area code 346 entered service as fourth overlay in the Houston complex
October 12, 2023: PUCT approved 621 as fifth overlay for 281/346/713/832 under Project No. 54986 (Source: PUCT)
January 23, 2025: Area code 621 entered service as fifth overlay in the Houston complex (Source: PUCT)

Area code 281 was intended as a long-term geographic split, but rapid growth from pagers and cellphones in the late 1990s exhausted available numbers within two years. The FCC's 1996 decision in CC Docket 96-98 delegated authority to state commissions to resolve area code implementation matters, allowing the Texas PUC to manage the Houston complex through successive overlays. Source: FCC.

Regulatory History

Area code 281's regulatory history includes three significant FCC and Texas PUC actions spanning nearly three decades. The FCC denied Texas PUC's expedited petition in September 1996, the PUC initiated NPA relief planning in February 1997, and the PUC approved the 621 overlay in October 2023. These actions shaped the evolution of Houston's five-code overlay complex. Source: FCC

Year	Event	Docket	Regulatory Action & Impact
1996	FCC Second Report and Order	CC Docket No. 96-98	Denied Texas PUC's petition for expedited declaratory ruling on area code relief for Dallas and Houston. Delegated authority to state commissions to resolve new area code implementation matters. Established that service-specific overlays are prohibited; all-services overlays require mandatory 10-digit dialing. Directly preceded the 281 split implementation on November 2, 1996 (Source: FCC)
1997	NPA Relief Planning Initiated	PUCT Filing 16899	Texas PUC initiated NPA relief planning for 214/972, 713/281, and 512 area codes. Final Order issued July 10, 1998. PUC petitioned FCC for expedited temporary waiver of 47 CFR 52.19 on July 24, 1998. This planning phase led to the 832 overlay in 1999 (Source: NANPA)
2023	621 Overlay Approved	PUCT Project No. 54986	Texas PUC approved 621 as fifth all-services distributed overlay for the 281/346/713/832 NPA complex. 621 CO codes available only when all assignable codes in 281, 346, 713, and 832 are exhausted. Network preparation began April 23, 2024; in-service date January 23, 2025 (Source: PUCT)

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 281).

County	Population	Share
Harris, TX	5,201,146	64.2%
Fort Bend, TX	1,310,165	16.2%
Montgomery, TX	473,282	5.8%
Brazoria, TX	349,277	4.3%
Galveston, TX	267,619	3.3%
Waller, TX	248,151	3.1%
Chambers, TX	130,055	1.6%
Liberty, TX	104,248	1.3%
San Jacinto, TX	17,816	0.2%
Polk, TX	240	0.0%