North American Numbers Source-cited · ownership disclosed
Area code
228
In service
United States · since 1997

Gulf Coast (Biloxi-Gulfport)

Serves the Mississippi Gulf Coast, created in 1997 as a split from the original statewide 601. It was Mississippi's second area code and has no overlay.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Gulf Coast (Biloxi-Gulfport)
Type
geographic
Status
in service
In service since
1997
Projected exhaust
2105 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 228 is

Gulf Coast in southeastern Mississippi; Hancock, Harrison and Jackson counties..

Communities served wholly or partly by 228:

BiloxiGulfportPascagoulaOcean SpringsBay St. LouisLong BeachPass ChristianGautierMoss Point
B · Relationships

How it relates to other codes

The codes 228 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?

Split from · 1997 601 Jackson 228 split off from the statewide 601 in 1997.
What's changing. No overlay; single area code for its region.
C · History

How 228 got here

1997
Created as a split from 601 — Mississippi's second area code.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
295
Prefixes available
505
Thousands-blocks assigned
1,300

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

Compare 228 with another code →
Sources
Wikipedia ↗
Area code 228
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.