Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — AREA-CODE/938

938 area code

Area code 938 is in Alabama. It covers Huntsville, Madison, Decatur and 159 other places: 164 ZIP codes in Madison, Morgan, Calhoun and 17 other counties. Local time there is , Central Time. In service since 2010 as an overlay: it covers the same area as 256, so a number from there can have either code.

State
Alabama
Time zone
Central
Largest city
Huntsville
Overlays
256
In service since
2010
Rate centres
59
Prefixes assigned
193 (1,930,000 numbers)

Who calls from a 938 number

NANPA records the carrier each block of 938 numbers is assigned to. Of the 1.7 million 938 numbers assigned, 57% are with mobile carriers (AT&T Mobility, T-Mobile and Verizon Wireless); 43% with cable, internet-calling, business and other carriers (Onvoy, Bandwidth and Teleport Communications (AT&T)).

That is who the numbers were assigned to: people keep their number when they change carrier, so any one number may have moved since.

Carriers holding the most 938 numbers
CarrierKindShare
AT&T MobilityMobile50%
OnvoyCable, VoIP, other24%
T-MobileMobile4%
BandwidthCable, VoIP, other3%
Verizon WirelessMobile3%
Teleport Communications (AT&T)Cable, VoIP, other2%

An area code says where a number was issued, not where the caller is: people keep their numbers when they move, and caller ID can be set to show any number, which the FCC calls spoofing. If a call you did not expect asks for money or personal details, the FCC advises hanging up and calling the company back on a number you look up yourself. Unwanted calls can be reported to the FTC at ReportFraud.ftc.gov.

Places in area code 938

The 50 places with a telephone rate centre of their own using 938, largest first. Each links to its ZIP codes.

Places in area code 938
PlaceZIP codesPopulation
Huntsville, AL 24 222,791
Madison, AL 3 60,106
Decatur, AL 5 57,361
Florence, AL 5 41,701
Gadsden, AL 6 33,374
Athens, AL 4 29,002
Albertville, AL 2 22,813
Anniston, AL 6 21,271
Cullman, AL 4 19,319
Hartselle, AL 1 15,847
Scottsboro, AL 2 15,712
Talladega, AL 2 14,760
Jacksonville, AL 1 14,437
Sylacauga, AL 2 12,309
Boaz, AL 2 10,814
Russellville, AL 2 10,799
Sheffield, AL 1 9,340
Guntersville, AL 1 8,916
Arab, AL 1 8,679
Attalla, AL 1 5,775
Rainsville, AL 1 5,702
Piedmont, AL 1 4,740
Childersburg, AL 1 4,655
Hazel Green, AL 1 3,940
Flat Rock, AL 1 3,543
Moulton, AL 1 3,401
Hanceville, AL 1 3,270
Red Bay, AL 1 3,201
Dadeville, AL 1 2,993
Owens Cross Roads, AL 1 2,826
Stevenson, AL 1 1,995
Collinsville, AL 1 1,781
Cedar Bluff, AL 1 1,629
Falkville, AL 1 1,606
Goodwater, AL 1 1,445
Rogersville, AL 1 1,260
Killen, AL 1 1,150
Ohatchee, AL 1 1,148
Skyline, AL — 1,126
Section, AL 1 1,069
Town Creek, AL 1 979
Wedowee, AL 1 899
Leighton, AL 1 893
Courtland, AL 1 723
Lexington, AL 1 638
Rockford, AL 1 622
Gurley, AL 1 607
Ranburne, AL 1 556
Fruithurst, AL 1 554
Delta, AL 1 225

Nearby places using 938

These places have no rate centre of their own in NANPA's records; the nearest one uses 938. Near an area-code boundary that can be wrong for part of a town.

ZIP codes in area code 938

164 ZIP codes in 107 towns, by the town each is mailed to, largest first. Each links to its own page.

Where 938 numbers are issued

NANPA's rate centres with the most 938 prefixes (each prefix is 10,000 numbers), under NANPA's own abbreviated names.

Rate centres using area code 938
Rate centrePlacePrefixes
HUNTSVILLE Huntsville 35
CULLMAN Cullman 19
DECATUR Decatur 17
ROGERSVL Rogersville 16
SCOTTSBORO Scottsboro 15
CHILDERSBG Childersburg 5

Counties

The counties of its ZIP codes, most residents first, with how many of its ZIP codes each has.

Which code covers where you are now? What area code am I in? answers from your location.

Questions about area code 938

Where is area code 938?

Area code 938 is in Alabama. It covers Huntsville, Madison, Decatur and 159 other places: 164 ZIP codes in Madison, Morgan, Calhoun and 17 other counties.

What ZIP codes are in area code 938?

164 ZIP codes, by the town each is mailed to: Huntsville (24, 35801 to 35899), Madison (3, 35756 to 35758), Decatur (5, 35601 to 35699), Florence (5, 35630 to 35634) and 103 more towns. The full list is on this page.

What time zone is area code 938 in?

Central time.

Is a 938 number a mobile or a landline?

It can be either. 57% of 938 numbers are assigned to mobile carriers and 0% to local phone companies (NANPA, 2026-10-10); the rest are with cable, internet-calling, business and paging carriers. A number keeps its area code when it moves to another carrier.

What area codes overlay 938?

256. They cover the same area as 938, so a new number there can be given any of them.

Does a 938 number mean the caller is in Alabama?

Not necessarily. An area code says where the number was first issued. People keep their numbers when they move or switch carriers, and calling software can show any number, so a 938 call can come from anywhere.

Other area codes in Alabama

All 7 Alabama area codes, by area, with the cities each covers

Source: NANPA NPA database, central office code and thousands-block assignments, 2026-10-10. Places are matched to NANPA's rate centres by name; see sources.

Cite this page

zipcodes.pro. “Area code 938.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/area-code/938

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