Where is area code 428?
NANPA assigns 428 to New Brunswick. The source report does not provide city-level coverage for this record, so this page does not guess a particular city. Browse other codes in New Brunswick
Verified area-code information
428 Area Code
428 is an in-service Canada area code assigned to New Brunswick. It identifies a numbering region, not a caller’s current location.
Official Numbering RegionVerified NANPA Assignment
New BrunswickArea Code 428
Country: Canada•Time Zone: Atlantic•Overlays: 506•In Service: 29-Apr-2023
- Numbering country
- Canada
- Area-code type
- Geographic
- Numbering region
- New Brunswick
- Time-zone information
- Atlantic
- In service since
- 29-Apr-2023
View the official area-code maps ↗. Maps show numbering areas, not a caller’s location.
Time zones associated with 428
NANPA lists Atlantic for this numbering area. These are numbering-region time zones, not a caller’s current location.
Atlantic time
An area code can span more than one time zone. Local daylight-saving rules may differ.
What area codes overlay 428?
The NANPA source lists 506 in the same overlay complex. An overlay can serve the same broad numbering area; individual numbers still do not prove where a person is.
How do you dial a 428 number?
Use the North American country calling code +1 followed by the three-digit area code and seven-digit local number. For example, write the pattern as +1 428 XXX XXXX. Local dialing rules and charges depend on your location and provider. Check a supported dialing format or check NANPA’s 10-digit dialing list.
Canadian prefixes in 428
The Canadian Numbering Administrator listed 21 in-service prefixes for this area code on 2026-09-28. These are exchange-area and company assignments, not active-number or current-carrier records.
Exchange areas with the most listed prefixes
| Exchange area | In-service prefixes |
|---|---|
| Bathurst | 2 |
| Miramichi | 2 |
| Moncton | 2 |
| Shediac | 2 |
| St. George | 2 |
Companies with the most listed assignments
| Assignment company | In-service prefixes |
|---|---|
| Iristel Inc. | 15 |
| TELUS Mobility | 2 |
| Bell Mobility Aliant | 1 |
| Bragg Communications Inc. | 1 |
| Fido Solutions Inc. | 1 |
428 Canadian prefix lookup
21 in-service prefixes are listed for this area code. Check a Canadian area code and prefix against CNA assignments. The exchange area and company describe the original code assignment, not where a caller is now.
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Check a number with area code 428
Enter the full ten-digit number to see its structure and formatting. The check stays in your browser.
Check a 428 number
Enter a 10-digit +1 North American number. We check its structure and area-code record, not the caller’s identity or whether the line is active.
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Received an unfamiliar call?
The displayed number may be spoofed. Do not rely on an area code as proof of caller identity. If the caller claims to represent a business, end the call and contact that business using a number you found independently.
Common questions about 428
What time zone is area code 428 in?
428 is assigned to New Brunswick, and the NANPA record associates it with Atlantic time. A phone number does not reveal its owner’s current time zone. The clock above uses a representative time zone for the numbering area.
Does 428 mean the caller is in New Brunswick?
No. An area code is an assignment, and a person can travel, move, use internet calling, or display a spoofed number.
Can this page identify who called?
No. OfficialAreaCode has no live subscriber directory or spam-report database.