Phone prefixes in Corner Brook, NL

In numbers

In-service prefixes

23

Telephone numbers covered

230,000

Carriers

10

Area codes

2

Provinces and territories

1

First assignment

October 9, 2002

Most recent assignment

October 22, 2025

Corner Brook’s share of its area codes

Within area code 709, Corner Brook accounts for only 21 of 630 prefixes (3.3%): the code is dominated by St. John's and spread over 209 rate centres. Corner Brook dominates area code 879: 2 of its 3 in-service prefixes, 66.7%, are attached to this rate centre, leaving the remainder to 1 other rate centres.

Who holds these numbers

Aliant Telecom (NF) holds the largest share at 9 prefixes, 39.1% of the total, ahead of 9 other carriers. Code by code: in 709, Aliant Telecom (NF) leads with 9 of 21 prefixes ahead of 7 others; in 879, Fido Solutions Inc. leads with 1 of 2 prefixes ahead of 1 others. No carrier holds prefixes in every one of Corner Brook’s 2 area codes, while 10 appear in just one.

Wireless and wireline

7 of Corner Brook’s 23 prefixes (30.4%) are held by carriers whose registered name marks a wireless business: Bell Mobility Aliant, TELUS Mobility, Fido Solutions Inc and Rogers Communications Canada Inc. (Wireless). Wireline prefixes still outnumber them, carried by Aliant Telecom (NF), Bragg Communications Inc, Iristel Inc and Rogers Communications Canada Inc. This is a sort by name, not a licence lookup, and a mobile prefix may have been ported to another network since.

How the allocation was built up

Corner Brook’s dated assignments run from 2002 to 2025. The busiest period was 2015–2019, when 4 prefixes went to 3 carriers. 5 prefixes (22%) carry no date in the register: these are the historic pre-1999 assignments, the wireline bedrock of the rate centre. Since 2020 another 6 prefixes have been added, so the rate centre is still growing.

Corner Brook’s oldest prefixes, the ones the register leaves undated, belong to Aliant Telecom (NF): this carrier made up the landscape before competition arrived. The first dated assignment went to Bell Mobility Aliant in 2002. The most recent arrivals are Fido Solutions Inc. (2025), Rogers Communications Canada Inc. (Wireless) (2025) and Iristel Inc. (2024), a sign that new carriers are still asking for numbers in Corner Brook.

Corner Brook has only 23 prefixes, or 230,000 numbers: a small rate centre, where the arrival of a single new carrier visibly changes the landscape.

No single carrier dominates Corner Brook: the leader, Aliant Telecom (NF), holds only 39.1% of the prefixes against 9 competitors, a sign of a highly fragmented market where cable companies, mobility brands and VoIP providers weigh as much as the incumbent.

Demand remains steady: 33.3% of the dated prefixes go back to the last ten years, the most active period being 2015–2019. The rate centre is growing at a regular rather than explosive pace.

5 undated in the register.

Dialling a Corner Brook number

Corner Brook is served by 2 overlaid area codes (709 and 879). A 879 number is no more “out of town” than a 709 one; from abroad, dial +1 and the full ten digits.

The numbering neighbourhood

Corner Brook shares area codes 709 and 879 with at least 20 other rate centres, including St. John's, Clarenville, Carbonear, Gander, Marystown, Bay Roberts, Labrador City - Wabush and Deer Lake. The largest of them, St. John's, holds 101 prefixes in 709 and 879; the smallest on the list, Grand Bank, has just 5.

What a Corner Brook number tells you

A number attached to Corner Brook tells you that its prefix was issued to a carrier for this rate centre in Newfoundland and Labrador, most often Aliant Telecom (NF). It does not tell you where the handset is today: a subscriber may have ported the number to any of the 10 carriers present here or to a VoIP service usable anywhere. Nor does it tell you who is calling: caller ID can be spoofed, and a Newfoundland and Labrador area code is easy to borrow to look local.

Reading a register entry for Corner Brook: code 709-412 is recorded for Aliant Telecom (NF), so every 709-412-XXXX number (10,000 possible) descends from that assignment. “Corner Brook, Newfoundland and Labrador” there names a rate centre, not a municipality, and several area codes overlay it.

Every Corner Brook prefix

Each row is an in-service central-office code recorded for Corner Brook, with its original holder and year of assignment.

Allocated prefixes

All 23 in-service prefixes, grouped by rate centre.

Elsewhere in Newfoundland and Labrador