2 area codes assigned to New Brunswick · Atlantic Time
1 of New Brunswick's area codes share territory with another. Codes in the same row serve the same places, so either can reach a number there — and ten-digit dialling is required throughout.
New Brunswick has 2 area codes, the oldest dating from 1955. A split carves territory off its parent; an overlay sits on top of it, which is why newer codes need ten-digit dialling.
Dates from the NANPA area code report, 09/19/2026.
New Brunswick spans 1 LATA — the regions a call is routed within before it becomes long-haul.
428
New Brunswick
Atlantic Time
Overlay · Apr 29, 2023 · with 506
22 blocks · 15 rate centres
506
New Brunswick
Atlantic Time
Overlay · with 428
677 blocks · 88 rate centres
New Brunswick has more than one area code in most regions. Enter a city to see which codes serve it, or check a specific number instead.
New Brunswick has had 2 area codes activated as an overlay since 2021, sharing territory with an existing code rather than carving out new geography. Local calls in an overlaid region must be dialed with all ten digits. Earlier overlays are not listed here.
See every North American overlayNew Brunswick is served by 2 area codes in the North American Numbering Plan (NANP): 506, 428. All New Brunswick numbers are in the Atlantic Time zone. Click any area code above to see the cities and rate centers it covers, formatted tel: link examples, and to search for available phone numbers.