Area code 430 – Texas
430 has served Texas since 2003, split from 903. 289 of its 786 number blocks are allocated (37%). Other CLEC / VoIP is the largest holder with 37.7% of blocks, ahead of Onvoy / Inteliquent at 22.8%. It shares its geography with overlay codes 903, so local calls take all ten digits. Spam complaints are comparatively rare: 214 in the 33 days to 30 October 2026, 335th of the 422 codes with five or more complaints. Numbers are spread across 159 rate centers, which is typical of a mostly rural code.
Who holds 430 number blocks
Share of the 289 assigned NXX blocks (36.8% of the 786 possible), across 42 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP29.4%
- Onvoy22.8%
- Charter12.1%
- AT&T8.3%
- Windstream5.9%
- Lumen5.2%
- Verizon3.8%
- Bandwidth3.5%
- T-Mobile3.5%
- Peerless2.1%
- Telnyx1%
- Twilio1%
- Vonage0.7%
- Dish0.3%
- TPx0.3%
Spam complaints naming 430
FTC Do Not Call complaints where the caller ID was a 430 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 430
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 159.
Timeline
- 2003 430 goes into service, split from or overlaid on 903.
More about 430
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 430
What state is area code 430?
Texas. It covers the same area as 430/903.
Is a call from 430 a scam?
Not by itself. 430 drew 214 FTC complaints in the 33 days to 30 October 2026, 335th of 422 ranked codes – mid-pack or lower. Spam callers spoof caller IDs, so the only useful check is the full number.
Which carrier owns 430 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 37.7%. 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 430?
Yes – ten digits for local calls in 430, 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.