The 903 area code covers Tyler, Longview and 151 more places in Texas.
Area code 903 is in Texas, on Central Time. In the 903 area, phone numbers are given out most in Gregg County, then Smith and Grayson counties. It has been in service since November 4, 1990. 430 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Texas, mostly Gregg County, Smith County and Grayson County
- Time zone
- Central Time
- In service since
- November 4, 1990
- Shares its area with
- 430 (since 2003)
- Prefixes in use
- 769
- How to dial
- Local calls need all 10 digits: 903-555-0142.
Find out who called you from a 903 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (903) number is on today, use our free carrier lookup.
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Tyler holds 10% of the phone prefixes in area code 903.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 769 prefixes in use shows where 903 numbers are actually given out.
- Tyler75 prefixes, 10%
- Longview72 prefixes, 9%
- Texarkana39 prefixes, 5%
- Sherman31 prefixes, 4%
- Greenville28 prefixes, 4%
- Paris19 prefixes, 2%
- Athens15 prefixes, 2%
- Corsicana15 prefixes, 2%
Also served: Marshall, Palestine, Denison and Kilgore and 141 smaller places.
Southwestern Bell (AT&T) holds the most phone number prefixes in area code 903: 125 of 769.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 769 prefixes in use in 903 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Southwestern Bell (AT&T)AT&T's landline company | 125 | 16% |
| FrontierLandline company | 89 | 12% |
| AT&T MobilityMobile network | 70 | 9% |
| Level 3 (Lumen)Lumen's business and wholesale network | 64 | 8% |
| WindstreamLandline company | 60 | 8% |
| BrightspeedLandline company | 43 | 6% |
| 39 other carriers | 318 | 41% |
68% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
903 has been overlaid once since 1990.
1990
903 starts on November 4, 1990, split off from 214.
2003
On February 15, 2003, 430 is added on top of 903, so new numbers here can get either code.
A 903 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 903 are 214, 936 and 817.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Texas has 28 other area codes.
These are the questions people ask most about area code 903.
Where is area code 903?
903 covers Tyler, Longview, Texarkana and Sherman and 149 more places in Texas. In the 903 area, phone numbers are given out most in Gregg County, then Smith and Grayson counties.
What state is area code 903 in?
Texas. 903 is a Texas area code on Central Time.
What cities use area code 903?
The places holding the most 903 prefixes are Tyler, Longview, Texarkana, Sherman, Greenville, Paris, Athens and Corsicana, out of 153 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 903?
No single phone company owns 903. NANPA's records show Southwestern Bell (AT&T) holds the most 903 prefixes, 125 of 769, followed by Frontier and AT&T Mobility. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 903 in?
903 is on Central Time.
When did area code 903 start?
903 went into service on November 4, 1990, when it was split off from 214.
Is 903 the same area as 430?
Yes. 430 (since 2003) covers the same ground as 903. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 903 number?
Local calls need all 10 digits: 903-555-0142.
Is 903 a toll-free number?
No. 903 is a regular area code for Tyler and Longview in Texas, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 903?
The closest are 214/972/469/945 (Dallas, Texas), 936 (Conroe, Texas), 817/682 (Arlington, Texas) and 254 (Waco, Texas), measured between the centres of each area.
Who called me from a 903 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 903 a scam?
903 is a real Texas area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.