Area codes › Nova Scotia & Prince Edward Island
🇨🇦 851 area code
Area code 851 is a new code for Nova Scotia & Prince Edward Island, added as an overlay on 782 and 902. NANPA has scheduled it to enter service on May 27, 2028. Enter an 851 number below for a free check before you call back.
- Location: Halifax, Nova Scotia & Prince Edward Island
- Time zone: Atlantic (UTC−4)
- Starts: May 27, 2028
Look up a number
Validity, carrier, line type, and region on the first pass.
Area code 851 at a glance
Cities in the 851 overlay area
- Halifax
- Charlottetown
- Dartmouth
- New Glasgow
- Sydney
- Truro
- Bridgewater
- Amherst
- Glace Bay
- Kentville
Is a 851 call a scam?
An area code tells you where a number was first assigned, not where the caller is. Mobile numbers keep their area code when people move, and internet (VoIP) numbers can be picked in any area code — so an 851 number can be calling from anywhere.
Robocallers exploit that with "neighbor spoofing": showing an 851 number to people in Nova Scotia & Prince Edward Island because a local-looking call is more likely to be answered. If an 851 call claims to be your bank, the IRS or the CRA or a delivery company, hang up and call the official number yourself.
About area code 851
851 will enter service on May 27, 2028, as an overlay on 902, which had run short of numbers.
It is part of the 782/851/902 overlay: the codes cover the same area, and a new line there can be given a number in any of them. Two neighbours — or two phones in one household — can have different area codes. That is also why local calls need the full ten digits.
Because 851 overlays the same ground, the cities listed are those of the codes it shares with.
NANPA lists 851 as running short of numbers, with relief planning under way — expect another overlay code here in the next few years.
Existing numbers will not change. What changes is that new numbers in the area may start with 851, so a call from 851 once it opens can be as local as one from 782 and 902.
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FAQ
Area code 851 questions
Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.
Where is area code 851?
Area code 851 is in Nova Scotia & Prince Edward Island, Canada. It covers Halifax, Charlottetown, Dartmouth, New Glasgow, Sydney and Truro.
What time zone is area code 851?
851 is in the Atlantic (UTC−4) time zone, and observes daylight saving time.
What area codes overlay 851?
782 and 902 serve the same area as 851. Numbers in all of them are local to one another.
When does area code 851 start?
851 is scheduled to enter service on May 27, 2028, created from 902.
How do I find out who called me from 851?
Enter the full number in the lookup at the top of this page. The free check confirms whether the number is valid and shows its carrier, line type and region; a full report adds owner and public-web records where they are available.
Got a call from 851?
Run the free check first — validity, carrier, line type and region — and unlock the full report only if you need it.