Area code 903 – Texas
903 has served Texas since 1990, split from 214. 771 of its 786 number blocks are allocated – about 98% full. No carrier dominates: AT&T 26.2%, Other CLEC / VoIP 14.5%, Verizon 13.2%. It shares its geography with overlay codes 430, so local calls take all ten digits. It is also among the most imitated codes in spam calls: 1,140 FTC complaints named a 903 caller ID in the 33 days to 30 October 2026, ranking 25th of 422 ranked codes. Numbers are spread across 194 rate centers, which is typical of a mostly rural code.
Who holds 903 number blocks
Share of the 771 assigned NXX blocks (98.1% of the 786 possible), across 50 carriers. This is share of number blocks, not of subscribers.
- AT&T26.2%
- Verizon13.2%
- Other CLEC / VoIP13.2%
- Frontier11.5%
- Lumen8.4%
- Windstream7.8%
- T-Mobile6.5%
- Brightspeed5.6%
- Onvoy2.9%
- Bandwidth1.7%
- Peerless0.8%
- Charter0.8%
- American Messaging0.6%
- Comcast0.4%
- Spok0.3%
- TPx0.1%
Spam complaints naming 903
FTC Do Not Call complaints where the caller ID was a 903 number, 28 Sep – 30 Oct 2026 (33 days). Caller IDs on spam calls are frequently spoofed, so these are complaints about the code, not calls proven to originate in it.
Rate centers in 903
NANPA allocates number blocks to rate centers and records their names abbreviated to ten characters, so these are NANPA's codes rather than place names – CHAMPAURBN is Champaign-Urbana, NWYRCYZN01 is a New York City zone. We show them unchanged instead of guessing at the full names. Showing the largest 5 of 194.
Timeline
- 1990 903 goes into service, split from or overlaid on 214.
More about 903
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 903
What state is area code 903?
Texas. It covers the same area as 430/903.
Can I still get a 903 number?
Only from recycled stock. 771 of the 786 available blocks are already allocated, so new numbers in the area normally come from the overlay codes (430/903).
Is a call from 903 a scam?
903 is one of the most complained-about codes in the country – 1,140 FTC complaints in the 33 days to 30 October 2026, 25th of 422 ranked codes. Most of those calls are spoofed: the caller fakes a local-looking number because it gets answered more often. Look up the specific number rather than judging by the code.
Which carrier owns 903 numbers?
AT&T holds the largest share of assigned number blocks at 26.2%. The rest is spread across 3 other carriers. This is share of number blocks, not of subscribers – people keep their numbers when they switch carriers.
Do I need to dial 10 digits in 903?
Yes – ten digits for local calls in 903, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
- NANPA – CO Code Assignment Records, All States (utilized), file updated 11/01/2026, retrieved Nov 1, 2026
- FTC – Do Not Call Reported Calls Data, 25 daily files 28 Sep – 30 Oct 2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.