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938

Area Code 938

Huntsville, Alabama · United States

Geographic Central Since 2010

Overlay for 256. Northern Alabama.

Current Time in 938
2:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-6
Daylight SavingObserved
IANA ZoneAmerica/Chicago
Primary city
Huntsville
State / Province
Alabama
Country
United States
Approx. users
2,382,831
938 Area Code Coverage Map
Approximate coverage area for the 938 area code in Alabama.
Loading map...
Huntsville, Alabama · Area code 938
Counties Served
12 counties fully or partially covered by area code 938.
Madison, AL387,731
13%
Jefferson, AL658,580
22.1%
Mobile, AL412,682
13.9%
Baldwin, AL239,612
8%
Montgomery, AL224,584
7.5%
Shelby, AL222,018
7.5%
Tuscaloosa, AL210,492
7.1%
Lee, AL175,883
5.9%
Morgan, AL121,790
4.1%
Calhoun, AL113,539
3.8%
Houston, AL108,058
3.6%
Limestone, AL103,570
3.5%

About Area Code 938

Area code 938 is a geographic telephone area code assigned to Huntsville, Alabama. It operates in the Central time zone and was first introduced in 2010. Overlay for 256. Northern Alabama.

Within Alabama, area code 938 shares numbering capacity with 5 other area codes. The state's 5,108,468-person population (2023 Census Bureau estimate) is served by a combined 6 active codes, with 938 primarily responsible for the Huntsville region. Alabama's state capital is Montgomery, and its largest city is Huntsville.

When you receive a call from a 938 number on your Caller ID, the call originated from a phone number assigned to the 938 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 938 only confirms where the number was originally assigned.

Where is the 938 area code located?

Area code 938 is assigned to Huntsville, Alabama, in the Central time zone. The state of Alabama uses 6 active area codes, and 938 is one of them. Calls placed from the 938 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 938 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 938 area code?

The 938 area code serves 10 notable cities, listed below in order of population. The largest city in the 938 territory is Huntsville (215,070 residents in Madison County).

  • Huntsville, AL — 215,070 residents (17.1% of 938 numbers)
  • Birmingham, AL — 196,910 residents (15.7% of 938 numbers)
  • Mobile, AL — 184,892 residents (14.7% of 938 numbers)
  • Montgomery, AL — 195,775 residents (15.6% of 938 numbers)
  • Tuscaloosa, AL — 113,150 residents (9% of 938 numbers)
  • Hoover, AL — 92,846 residents (7.4% of 938 numbers)
  • Dothan, AL — 71,072 residents (5.7% of 938 numbers)
  • Auburn, AL — 76,180 residents (6.1% of 938 numbers)
  • Decatur, AL — 57,099 residents (4.5% of 938 numbers)
  • Madison, AL — 54,855 residents (4.4% of 938 numbers)

Phone number format in area code 938

All phone numbers within area code 938 follow the standard North American 10-digit format:(938) 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 + 938 + 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 938 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 938

Overlay for 256. Northern Alabama.

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 938 area code safe to answer?

Area code 938 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 938 — 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 938
Cities served by the 938 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 938
Huntsville, ALMadison215,07017.1%
Birmingham, ALJefferson196,91015.7%
Mobile, ALMobile184,89214.7%
Montgomery, ALMontgomery195,77515.6%
Tuscaloosa, ALTuscaloosa113,1509%
Hoover, ALUnknown92,8467.4%
Dothan, ALUnknown71,0725.7%
Auburn, ALUnknown76,1806.1%
Decatur, ALDeKalb57,0994.5%
Madison, ALDane54,8554.4%
Counties in Area Code 938
County-level population data from the 2022 ACS 5-year estimates. "% of 938" shows the share of 938 phone exchanges in each county.
CountyPopulation% of 938% of County
Madison, AL387,73113%60%
Jefferson, AL658,58022.1%69%
Mobile, AL412,68213.9%74%
Baldwin, AL239,6128%84%
Montgomery, AL224,5847.5%40%
Shelby, AL222,0187.5%84%
Tuscaloosa, AL210,4927.1%37%
Lee, AL175,8835.9%70%
Morgan, AL121,7904.1%38%
Calhoun, AL113,5393.8%97%
Houston, AL108,0583.6%88%
Limestone, AL103,5703.5%48%
Carrier Market Share in Area Code 938
Approximate share of assigned 938 numbers by carrier, based on FCC number-pooling data.
Cellco Partnership (Verizon Wireless)30%
Wireless
T-Mobile USA22%
Wireless
AT&T Mobility18%
Wireless
Comcast (Xfinity)8%
Cable
Frontier Communications6%
Landline
CenturyLink (Lumen)6%
Landline
Bandwidth.com (VoIP)5%
VoIP
Cox Communications3%
Cable
Spectrum (Charter)2%
Cable
Sample Prefixes in Area Code 938
A selection of 938 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
938-209HuntsvilleCox Communications1985
938-221MobileFrontier Communications1984
938-233HuntsvilleFrontier Communications1980
938-245HuntsvilleFrontier Communications1996
938-257TuscaloosaSpectrum2018
938-269AuburnCenturyLink1995
938-281HuntsvilleBandwidth.com2007
938-293MobileSpectrum1976
938-305HuntsvilleCenturyLink2017
938-317HuntsvilleSpectrum1986
938-329HuntsvilleComcast2021
938-341DothanComcast1977
938-353HuntsvilleComcast2011
938-365HuntsvilleSpectrum2002
938-377HuntsvilleFrontier Communications1978
938-389TuscaloosaAT&T Mobility2018
938-401AuburnSpectrum1984
938-413HuntsvilleAT&T Mobility2013
938-425HuntsvilleFrontier Communications1996
938-437HuntsvilleCenturyLink1996
938-449HuntsvilleCenturyLink2008
938-461HuntsvilleSprint2014
938-473HuntsvilleBandwidth.com2001
938-485DothanT-Mobile USA1993
938-497MontgomeryAT&T Mobility1976
938-509HuntsvilleAT&T Mobility2008
938-521HuntsvilleT-Mobile USA2006
938-533HuntsvilleCox Communications1983
938-545HuntsvilleComcast1999
938-557HuntsvilleComcast1975
938-569HuntsvilleCenturyLink2023
938-581MontgomeryCenturyLink2002
938-593HuntsvilleSprint1986
938-605HuntsvilleFrontier Communications1989
938-617DothanCox Communications1993
938-629TuscaloosaFrontier Communications1987
938-641HuntsvilleAT&T Mobility2004
938-653HuntsvilleSprint2011
938-665HuntsvilleBandwidth.com1976
938-677HuntsvilleFrontier Communications1998
938-689HuntsvilleSprint2010
938-701HuntsvilleBandwidth.com1993
938-713DothanCenturyLink2022
938-725HuntsvilleAT&T Mobility1992
938-737HuntsvilleT-Mobile USA2012
938-749HuntsvilleT-Mobile USA2013
938-761HuntsvilleCable One2020
938-773HuntsvilleComcast1991
938-785AuburnCable One2002
938-797HuntsvilleFrontier Communications1996
938-809HuntsvilleT-Mobile USA1997
938-821HuntsvilleCox Communications1986
938-833HuntsvilleSprint2004
938-845HuntsvilleVerizon Wireless2015
938-857HuntsvilleCable One2023
938-869BirminghamBandwidth.com1995
938-881HuntsvilleFrontier Communications1984
938-893HuntsvilleSprint1988
938-905HuntsvilleBandwidth.com1981
938-917BirminghamAT&T Mobility1985
938-929HuntsvilleVerizon Wireless2019
938-941HuntsvilleComcast2014
938-953HuntsvilleAT&T Mobility2015
938-965AuburnAT&T Mobility2017
938-977HuntsvilleCox Communications1980
938-989HuntsvilleComcast1983
Frequently Asked Questions about Area Code 938

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