903 area code
Tyler area, Central Time.Area code 903 covers Tyler, Longview, Texarkana and 190 more places in Texas, on Central Time. 430 covers the same area.
Right now in Tyler
Central Time (CST, UTC-6; CDT, UTC-5 in summer)
Calling hours: Mon to Sat, 9 AM to 9 PM · Sun, noon to 9 PM (Texas law)
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Where 903 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 903 has 193. Each one's share is how many 903 numbers start there. Its biggest metro area is Dallas-Fort Worth-Arlington, TX.
- Tyler10%
- Longview9%
- Texarkana5%
- Sherman4%
- Greenville4%
- Paris2%
Also: Athens, Corsicana, Marshall, Denison, Palestine, Sulphur Springs, Kilgore, Mount Pleasant, Bonham, Jacksonville, Henderson, Carthage + 175 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 903 number?
Sales calls to homes and cell phones have legal hours, set by Texas law. Hold every 903 number to them, since you can't tell a work line from a personal cell.
What applies to 903Mon to Sat, 9 AM to 9 PM · Sun, noon to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Texas lawMon to Sat, 9 AM to 9 PM · Sun, noon to 9 PMCalls to residences.Tex. Bus. & Com. Code 301.051(b)(2) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
903 and 430
903 went into service on November 4, 1990, split off from 214. 903 and 430 cover the same area, so new numbers can get either code and neighbors can have different area codes. 903 holds 73% of the area's exchanges; 430 holds the rest. Local calls take all 10 digits.
- 1990903 starts
- 2003430 overlay
Source: NANPA area code database
Calling a list of 903 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
903 area code FAQ
What area code is 903?
903 is a Texas area code for Tyler, Longview, Texarkana, Sherman and 189 more places.
What time zone is the 903 area code in?
Central Time (CST, UTC-6; CDT, UTC-5 in summer).
Is 430 the same as 903?
Same area, different code. 903 and 430 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 903 numbers?
Mon to Sat, 9 AM to 9 PM · Sun, noon to 9 PM, local time, under Texas law.
When did the 903 area code start?
On November 4, 1990. It was split from 214.
Calling 903 numbers? Reach more of them.
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