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Where Is 346 Area Code?

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Database Updated: July 12, 2025
Texas Phone Number Lookups
Where Is 346 Area Code?

Where Is Area Code 346?

Area Code 346 is officially assigned within the greater Houston region in the southeastern portion of Texas. It encompasses a wide range of locations, including:

  • Major Cities: Houston, Pasadena, Pearland, and League City
  • Counties: Harris County, Fort Bend County, Brazoria County, and Montgomery County

These areas house a variety of governmental, business, and residential districts. Historically, local authorities collaborated with the North American Numbering Plan Administration guidelines (https://www.nationalnanpa.com/) to manage the allocation of this area code throughout these rapidly expanding regions.

For any local administrative support, residents may contact the Harris County Clerk’s Office at 201 Caroline St, Houston, TX 77002 or visit the Houston official municipal portal (https://www.houstontx.gov/) for more information.

What Time Zone Is 346 Area Code in the USA?

All regions served by the 346 area code are within the Central Time Zone (CT). This designation entails observance of Daylight Saving Time (DST) from March to November. During these periods, clocks are set forward by one hour to maximize the effective use of daylight.

Residents who need official time guidelines for scheduling and compliance requirements may refer to the time zone confirmations from the official NIST website (https://www.time.gov). These standards help ensure consistency in timekeeping across state and local government operations.

History of the 346 Area Code

The 346 area code was introduced to accommodate population growth and increased demand for telephone numbers in the Houston metropolitan area. It is part of an overlay plan that includes 713, 281, and 832. According to the Federal Communications Commission’s telephone numbering guidelines (https://www.fcc.gov/general/telephone-numbering):

  • 713 was the original code established for Houston and surrounding territories.
  • 281 joined as an additional area code because of a sharp increase in telecommunication lines and new development.
  • 832 followed in the mid-1990s as mobile phone usage accelerated the need for even more phone numbers.
  • 346 launched in 2014 to ensure a continuous supply for new telecommunications services.

State regulators, including the Public Utility Commission of Texas at 1701 N. Congress Ave., Austin, TX 78711, assisted in overseeing the implementation of this overlay. These changes were deemed necessary to keep pace with technological advancements and ongoing growth in the Houston area.

How Many People Use the 346 Area Code?

An estimated population of over six million individuals live in the combined area served by 713, 281, 832, and 346. While not all residents utilize 346 numbers, the overall coverage supports millions of active lines in both residential and commercial capacity. Official population statistics from the U.S. Census Bureau (https://www.census.gov/) indicate that Houston, as the state’s largest city within this area code region, continues to experience significant growth each year.

Below is a generalized breakdown illustrating the regional demand for telecommunication services:

  • Residential Telephones: Increasing due to new housing developments
  • Mobile Phones: Continuing to dominate personal and business communication
  • Business Lines: Consistently high demand because of corporate headquarters and small businesses

Local authorities and federal agencies coordinate closely to ensure number availability for new services. For further assistance, individuals may contact the Houston City Hall at 901 Bagby St, Houston, TX 77002.

Is the 346 Area Code Toll-Free?

The 346 area code is geographically based and not classified as a toll-free service. Calls placed to phone numbers with a 346 prefix are generally subject to standard calling rates, depending on the caller’s specific telephone plan. Those looking for toll-free communication should seek numbers using prefixes such as 800, 888, 877, 866, 855, 844, or 833.

In certain cases, businesses and government agencies offer locally based hotlines or no-cost contact numbers to provide residents with free access to essential services. For more information about local telecommunication regulations or policies, contact the Federal Communications Commission at 45 L Street NE, Washington, DC 20554 or visit the official FCC telephone numbering guidelines resource (https://www.fcc.gov/general/telephone-numbering).


 

Cities in 346 Area Code
  • Houston
  • Pasadena
  • Pearland
  • League City
  • Sugar Land
  • The Woodlands
  • Baytown
  • Missouri City
  • Atascocita
  • Spring
  • Channelview
  • Mission Bend
  • Friendswood
  • La Porte
  • Deer Park
  • Rosenberg
  • Cloverleaf
  • Alvin
  • Fresno
  • Cinco Ranch
  • Stafford
  • South Houston
  • Bellaire
  • Dickinson
  • Pecan Grove
  • Aldine
  • New Territory
  • Humble
  • West University Place
  • Texas City
  • Katy
  • Sienna Plantation
  • Four Corners
  • Seabrook
  • Richmond
  • Greatwood
  • Galena Park
  • Tomball
  • Jacinto City
  • Webster
  • Bacliff
  • Cleveland
  • Jersey Village
  • Highlands
  • Manvel
  • San Leon
  • Brookshire
  • Meadows Place
  • Pinehurst
  • Hunters Creek Village
Counties in 346 Area Code
  • Harris
  • Fort Bend
  • Montgomery
  • Brazoria
  • Galveston
  • Liberty
  • Waller
  • Chambers
  • San Jacinto
Prefix Codes for Area Code 346
  • (346) 222
  • (346) 247
  • (346) 262
  • (346) 333
  • (346) 444
  • (346) 720
  • (346) 721
  • (346) 722
  • (346) 723
  • (346) 725
  • (346) 726
  • (346) 727
  • (346) 728
  • (346) 729
  • (346) 777
  • (346) 834
  • (346) 888
  • (346) 932
  • (346) 999
Texas Area Codes
  • 210
  • 214
  • 254
  • 281
  • 325
  • 346
  • 361
  • 409
  • 430
  • 432
  • 469
  • 512
  • 682
  • 713
  • 726
  • 737
  • 806
  • 817
  • 830
  • 832
  • 903
  • 915
  • 936
  • 940
  • 945
  • 956
  • 972
  • 979
Texas Phone Numbers
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