North American Numbers Source-cited · ownership disclosed
Area code
483
In service
United States · since 2026

Montgomery (overlay)

An all-services overlay of 334 covering south-central and southeastern Alabama. Approved by the Alabama PSC on March 5, 2024, with an in-service date of February 23, 2026.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Montgomery (overlay)
Type
geographic
Status
in service
In service since
2026
Projected exhaust
2064 Q3

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 483 is

South-central and southeastern Alabama; identical footprint to 334..

Communities served wholly or partly by 483:

MontgomeryAuburnOpelikaDothanPhenix City

Same geography as 334.

B · Relationships

How it relates to other codes

The codes 483 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Overlay · 2026 334 Montgomery 483 overlays the entire 334 numbering plan area (same geography, both sides).
What's changing. Overlay of 334; in-service date February 23, 2026 (recent — re-check NANPA for live activation status).
C · History

How 483 got here

2024-03-05
Approved by the Alabama Public Service Commission as an all-services distributed overlay.
Source: Wikipedia
2026-02-23
In-service date for the 483 overlay. (re-check NANPA)
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
25
Prefixes available
775
Thousands-blocks assigned
17

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 483 with another code →
Sources
Wikipedia ↗
Area codes 334 and 483
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.