Phone prefixes in Magog, QC

In numbers

In-service prefixes

15

Telephone numbers covered

150,000

Carriers

6

Area codes

3

Provinces and territories

1

First assignment

March 18, 2005

Most recent assignment

March 26, 2025

Magog’s share of its area codes

Within area code 819, Magog accounts for only 10 of 770 prefixes (1.3%): the code is dominated by Ottawa-Hull and spread over 211 rate centres. Within area code 873, Magog accounts for only 4 of 667 prefixes (0.6%): the code is dominated by Sherbrooke and spread over 162 rate centres. Within area code 468, Magog accounts for only 1 of 67 prefixes (1.5%): the code is dominated by Ottawa-Hull and spread over 57 rate centres.

Who holds these numbers

Bell Canada holds the largest share at 4 prefixes, 26.7% of the total, ahead of 5 other carriers. Code by code: in 819, Bell Canada leads with 3 of 10 prefixes ahead of 4 others; in 873, Iristel Inc. leads with 2 of 4 prefixes ahead of 2 others; Cogeco Connexion Inc. is the only holder in 468. No carrier holds prefixes in every one of Magog’s 3 area codes, while 3 appear in just one.

Wireless and wireline

None of Magog’s holders carries a mobility brand in its registered name: all 15 prefixes belong to wireline or wholesale carriers, among them Bell Canada, Iristel Inc, TELUS Quebec and Videotron Ltd. A call showing a Magog number therefore nominally comes from a landline, cable or VoIP platform rather than a locally assigned cellphone.

How the allocation was built up

Magog’s dated assignments run from 2005 to 2025. The busiest period was 2005–2009, when 4 prefixes went to 2 carriers. 3 prefixes (20%) carry no date in the register: these are the historic pre-1999 assignments, the wireline bedrock of the rate centre. Since 2020 another 3 prefixes have been added, so the rate centre is still growing.

Magog’s oldest prefixes, the ones the register leaves undated, belong to Bell Canada: this carrier made up the landscape before competition arrived. The first dated assignment went to Videotron Ltd. in 2005. The most recent arrivals are Cogeco Connexion Inc. (2025), Bell Canada (2016) and Comwave Networks (2015), a sign that new carriers are still asking for numbers in Magog.

Magog has only 15 prefixes, or 150,000 numbers: a small rate centre, where the arrival of a single new carrier visibly changes the landscape.

No single carrier dominates Magog: the leader, Bell Canada, holds only 26.7% of the prefixes against 5 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: 25.0% of the dated prefixes go back to the last ten years, the most active period being 2005–2009. The rate centre is growing at a regular rather than explosive pace.

3 undated in the register.

Dialling a Magog number

Magog is served by 3 overlaid area codes (819, 873 and 468). A 468 number is no more “out of town” than a 819 one; from abroad, dial +1 and the full ten digits.

The numbering neighbourhood

Magog shares area codes 819, 873 and 468 with at least 20 other rate centres, including Ottawa-Hull, Sherbrooke, Trois-Rivieres, Drummondville, Victoriaville, Gatineau, Val-D'Or and Maniwaki. The largest of them, Ottawa-Hull, holds 122 prefixes in 468, 819 and 873; the smallest on the list, Plessisville, has just 11.

What a Magog number tells you

A number attached to Magog tells you that its prefix was issued to a carrier for this rate centre in Quebec, most often Bell Canada. It does not tell you where the handset is today: a subscriber may have ported the number to any of the 6 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 Quebec area code is easy to borrow to look local.

Reading a register entry for Magog: code 819-843 is recorded for Bell Canada, so every 819-843-XXXX number (10,000 possible) descends from that assignment. “Magog, Quebec” there names a rate centre, not a municipality, and several area codes overlay it.

Every Magog prefix

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

Allocated prefixes

All 15 in-service prefixes, grouped by rate centre.

Elsewhere in Quebec