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409

Area Code 409

Beaumont, Texas · United States

Geographic Central Since 1983

Split from 713. Southeast Texas.

Current Time in 409
2:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-6
Daylight SavingObserved
IANA ZoneAmerica/Chicago
Primary city
Beaumont
State / Province
Texas
Country
United States
Approx. users
14,914,611
409 Area Code Coverage Map
Approximate coverage area for the 409 area code in Texas.
Loading map...
Beaumont, Texas · Area code 409
Counties Served
12 counties fully or partially covered by area code 409.
Harris, TX4,728,030
25.4%
Dallas, TX2,613,539
14%
Tarrant, TX2,118,622
11.4%
Bexar, TX2,057,889
11%
Travis, TX1,290,188
6.9%
Collin, TX1,066,205
5.7%
Denton, TX923,327
5%
Hidalgo, TX876,934
4.7%
El Paso, TX867,947
4.7%
Fort Bend, TX832,815
4.5%
Montgomery, TX655,840
3.5%
Williamson, TX611,928
3.3%

About Area Code 409

Area code 409 is a geographic telephone area code assigned to Beaumont, Texas. It operates in the Central time zone and was first introduced in 1983. Split from 713. Southeast Texas.

Within Texas, area code 409 shares numbering capacity with 27 other area codes. The state's 30,503,301-person population (2023 Census Bureau estimate) is served by a combined 28 active codes, with 409 primarily responsible for the Beaumont region. Texas's state capital is Austin, and its largest city is Houston.

When you receive a call from a 409 number on your Caller ID, the call originated from a phone number assigned to the 409 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 409 only confirms where the number was originally assigned.

Where is the 409 area code located?

Area code 409 is assigned to Beaumont, Texas, in the Central time zone. The state of Texas uses 28 active area codes, and 409 is one of them. Calls placed from the 409 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 409 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Central time zone observes Daylight Saving Time, shifting from UTC-6 to UTC-5 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 409 area code?

The 409 area code serves 10 notable cities, listed below in order of population. The largest city in the 409 territory is Beaumont (111,914 residents in Unknown County).

  • Beaumont, TX — 111,914 residents (1.3% of 409 numbers)
  • Houston, TX — 2,302,878 residents (26.3% of 409 numbers)
  • Dallas, TX — 1,304,379 residents (14.9% of 409 numbers)
  • San Antonio, TX — 1,434,625 residents (16.4% of 409 numbers)
  • Austin, TX — 974,447 residents (11.1% of 409 numbers)
  • Fort Worth, TX — 956,709 residents (10.9% of 409 numbers)
  • El Paso, TX — 678,058 residents (7.7% of 409 numbers)
  • Arlington, TX — 394,266 residents (4.5% of 409 numbers)
  • Corpus Christi, TX — 317,863 residents (3.6% of 409 numbers)
  • Plano, TX — 285,494 residents (3.3% of 409 numbers)

Phone number format in area code 409

All phone numbers within area code 409 follow the standard North American 10-digit format:(409) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 409 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 409 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 409

Split from 713. Southeast Texas.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 409 area code safe to answer?

Area code 409 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 409 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.

Top 10 Cities in Area Code 409
Cities served by the 409 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 409
Beaumont, TXUnknown111,9141.3%
Houston, TXHarris2,302,87826.3%
Dallas, TXDallas1,304,37914.9%
San Antonio, TXBexar1,434,62516.4%
Austin, TXTravis974,44711.1%
Fort Worth, TXTarrant956,70910.9%
El Paso, TXEl Paso678,0587.7%
Arlington, TXTarrant394,2664.5%
Corpus Christi, TXNueces317,8633.6%
Plano, TXCollin285,4943.3%
Counties in Area Code 409
County-level population data from the 2022 ACS 5-year estimates. "% of 409" shows the share of 409 phone exchanges in each county.
CountyPopulation% of 409% of County
Harris, TX4,728,03025.4%41%
Dallas, TX2,613,53914%89%
Tarrant, TX2,118,62211.4%74%
Bexar, TX2,057,88911%86%
Travis, TX1,290,1886.9%49%
Collin, TX1,066,2055.7%46%
Denton, TX923,3275%74%
Hidalgo, TX876,9344.7%78%
El Paso, TX867,9474.7%89%
Fort Bend, TX832,8154.5%80%
Montgomery, TX655,8403.5%67%
Williamson, TX611,9283.3%79%
Carrier Market Share in Area Code 409
Approximate share of assigned 409 numbers by carrier, based on FCC number-pooling data.
Cellco Partnership (Verizon Wireless)30%
Wireless
AT&T Mobility26%
Wireless
T-Mobile USA20%
Wireless
Spectrum (Charter)7%
Cable
Comcast (Xfinity)6%
Cable
Frontier Communications5%
Landline
Bandwidth.com (VoIP)4%
VoIP
Cox Communications2%
Cable
Sample Prefixes in Area Code 409
A selection of 409 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
409-215Corpus ChristiCenturyLink1995
409-232BeaumontSprint1976
409-249BeaumontCable One2010
409-266BeaumontAT&T Mobility2010
409-283BeaumontCox Communications2015
409-300BeaumontSprint1990
409-317BeaumontVerizon Wireless2009
409-334Corpus ChristiT-Mobile USA2019
409-351AustinCenturyLink1997
409-368BeaumontBandwidth.com2010
409-385HoustonFrontier Communications1986
409-402BeaumontBandwidth.com2013
409-419BeaumontCox Communications1978
409-436ArlingtonCable One1986
409-453BeaumontCable One1978
409-470AustinAT&T Mobility1999
409-487BeaumontSprint1993
409-504DallasAT&T Mobility2001
409-521BeaumontFrontier Communications1998
409-538DallasCenturyLink1987
409-555BeaumontCenturyLink2006
409-572Fort WorthT-Mobile USA2008
409-589El PasoBandwidth.com2009
409-606BeaumontCenturyLink2000
409-623San AntonioT-Mobile USA1988
409-640San AntonioSpectrum2021
409-657BeaumontFrontier Communications1978
409-674San AntonioCox Communications2008
409-691Fort WorthVerizon Wireless2018
409-708BeaumontCenturyLink2000
409-725BeaumontSprint2000
409-742BeaumontFrontier Communications2024
409-759HoustonSpectrum1988
409-776HoustonT-Mobile USA1997
409-793BeaumontCox Communications2019
409-810AustinCox Communications1980
409-827Corpus ChristiFrontier Communications2019
409-844BeaumontSprint1981
409-861BeaumontSprint1989
409-878El PasoCenturyLink2023
409-895BeaumontSpectrum1986
409-912BeaumontAT&T Mobility1976
409-929San AntonioCenturyLink1993
409-946BeaumontBandwidth.com2008
409-963BeaumontSprint2012
Frequently Asked Questions about Area Code 409

Need to look up a specific 409 number?

Use our free reverse phone lookup to identify the carrier and line type for any 10-digit 409 number.

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