Area code 483 – Alabama
483 has served Alabama since 2026, split from 334. It is still largely empty: 14 of 786 number blocks allocated. Other CLEC / VoIP is the largest holder with 50.0% of blocks, ahead of Onvoy / Inteliquent at 28.6%. It shares its geography with overlay codes 334, so local calls take all ten digits.
Who holds 483 number blocks
Share of the 14 assigned NXX blocks (1.8% of the 786 possible), across 6 carriers. This is share of number blocks, not of subscribers.
- Other CLEC / VoIP64.3%
- Onvoy28.6%
- Verizon7.1%
Rate centers in 483
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 8.
Timeline
- 2026 483 goes into service, split from or overlaid on 334.
More about 483
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 483
What state is area code 483?
Alabama. It covers the same area as 334/483.
Which carrier owns 483 numbers?
Other CLEC / VoIP holds the largest share of assigned number blocks at 50.0%. 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 483?
Yes – ten digits for local calls in 483, 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
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.