428 area code
Moncton area, Atlantic Time.Area code 428 covers Moncton, Miramichi, Bathurst and 12 more places in New Brunswick, on Atlantic Time. 506 covers the same area.
Right now in Moncton
Atlantic Time (AST, UTC-4; ADT, UTC-3 in summer)
Calling hours: Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM (Canada's CRTC rules)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
Where 428 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 428 has 15. Each one's share is how many 428 numbers start there.
- Moncton10%
- Miramichi10%
- Bathurst10%
- Shediac10%
- St. Stephen10%
- St. George10%
- Saint John5%
- Woodstock5%
- Richibucto5%
- Shippagan5%
- Bouctouche5%
- Petitcodiac5%
Also: Sackville, Harvey Station, Perth-Andover
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 428 number?
Sales calls to homes and cell phones have legal hours, set by Canada's CRTC rules. Hold every 428 number to them, since you can't tell a work line from a personal cell.
What applies to 428Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM
- Canada (CRTC)Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PMApplies to calls to businesses too. Some provinces add rules the tool doesn't apply, like British Columbia's ban on calls on statutory holidays.CRTC Unsolicited Telecommunications Rules, Part III, s. 23 (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
428 and 506
428 went into service on April 29, 2023. 428 and 506 cover the same area, so new numbers can get either code and neighbors can have different area codes. 428 holds 3% of the area's exchanges; 506 holds the most. Local calls take all 10 digits.
- 1955506 overlay
- 2023428 starts
Source: NANPA area code database
Calling a list of 428 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
428 area code FAQ
What area code is 428?
428 is a New Brunswick area code for Moncton, Miramichi, Bathurst, Shediac and 11 more places.
What time zone is the 428 area code in?
Atlantic Time (AST, UTC-4; ADT, UTC-3 in summer).
Is 506 the same as 428?
Same area, different code. 428 and 506 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 428 numbers?
Mon to Fri, 9 AM to 9:30 PM · Sat to Sun, 10 AM to 6 PM, local time, under Canada's CRTC rules.
When did the 428 area code start?
On April 29, 2023.
Calling 428 numbers? Reach more of them.
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