Area code 228: Mississippi
Area code 228 is a US state area code for Mississippi, on Central Time. It has 274 prefixes in service across 11 rate centers, the largest being Biloxi, Gulfport and Pascagoula. NANPA lists no overlay code for it. Local calls there take 7 digits.
Local time in area code 228
America/Chicago
Prefixes in service
274 of 792 possible
11 rate centers
Area code 228 facts
| Location | Mississippi, United States |
|---|---|
| Time zone | Central Time |
| Overlays | None |
| Split from | 601 |
| In service since | September 15, 1997 |
| Local calls | 7 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 228?
NANPA records each prefix against a rate center, the local billing area a number belongs to, usually named after its main town. These are the 228 rate centers with the most prefixes in service.
| Rate center | Prefixes |
|---|---|
| Biloxi | 80 |
| Gulfport | 67 |
| Pascagoula | 37 |
| Bay Saint Louis | 21 |
| Ocean Springs | 19 |
| Pass Christian | 14 |
| Moss Point | 9 |
| Hurley | 7 |
| Vancleave | 7 |
| Tanner-Williams | 6 |
| Pearlington | 6 |
Source: NANPA central office code assignments, file dated 10/17/2026. Each prefix holds up to 10,000 numbers.
How do I dial a 228 number?
NANPA's dialling plan for 228: local calls inside the code take 7 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 228 | 555-0147 |
|---|---|
| From another US or Canadian area code | 1-228-555-0147 |
| From outside North America | +1 228 555 0147 |
| E.164, for CRMs and SMS tools | +12285550147 |
When did area code 228 start?
Area code 228 went into service on September 15, 1997, split from 601. It has no overlay, so every number in its area still starts with it.
Tools for 228 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 228 number tells you where it was issued, not what it is now.
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Area code 228 questions
- What state is area code 228?
- Area code 228 is in Mississippi, United States. Its largest rate centers by number of prefixes are Biloxi, Gulfport, Pascagoula, Bay Saint Louis and Ocean Springs.
- What time zone is area code 228 in?
- Central Time.
- Does area code 228 have an overlay?
- Not as of NANPA's file dated 10/16/2026. Every number in its area uses 228.
- When did area code 228 start?
- Area code 228 went into service on September 15, 1997, split from 601.
- Is a 228 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 228 have?
- 274 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Other area codes in Mississippi
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.