Phone prefixes in Baie-Trinite, QC

In numbers

In-service prefixes

5

Telephone numbers covered

50,000

Carriers

2

Area codes

3

Provinces and territories

1

First assignment

July 13, 2018

Most recent assignment

December 12, 2024

Baie-Trinite’s share of its area codes

Within area code 418, Baie-Trinite accounts for only 2 of 777 prefixes (0.3%): the code is dominated by Quebec and spread over 258 rate centres. Within area code 581, Baie-Trinite accounts for only 2 of 778 prefixes (0.3%): the code is dominated by Quebec and spread over 232 rate centres. Within area code 367, Baie-Trinite accounts for only 1 of 233 prefixes (0.4%): the code is dominated by Quebec and spread over 111 rate centres.

Who holds these numbers

Iristel Inc. holds the largest share at 3 prefixes, 60.0% of the total, ahead of 1 other carrier. Code by code: TELUS Quebec is the only holder in 418; Iristel Inc. is the only holder in 581; Iristel Inc. is the only holder in 367. No carrier holds prefixes in every one of Baie-Trinite’s 3 area codes, while 1 appears in just one.

Wireless and wireline

None of Baie-Trinite’s holders carries a mobility brand in its registered name: all 5 prefixes belong to wireline or wholesale carriers, among them Iristel Inc and TELUS Quebec. A call showing a Baie-Trinite number therefore nominally comes from a landline, cable or VoIP platform rather than a locally assigned cellphone.

How the allocation was built up

Baie-Trinite’s dated assignments run from 2018 to 2024. The busiest period was 2020–2024, when 2 prefixes went to 1 carrier. 2 prefixes (40%) carry no date in the register: these are the historic pre-1999 assignments, the wireline bedrock of the rate centre. Since 2020 another 2 prefixes have been added, so the rate centre is still growing.

Baie-Trinite’s oldest prefixes, the ones the register leaves undated, belong to TELUS Quebec: this carrier made up the landscape before competition arrived. The first dated assignment went to Iristel Inc. in 2018. The most recent arrivals are Iristel Inc. (2018), a sign that new carriers are still asking for numbers in Baie-Trinite.

Baie-Trinite has just 5 prefixes (50,000 numbers): a very small rate centre, typical of a village or rural area served by a single switching office.

Iristel Inc. leads with 60.0% of the prefixes, but 1 competitors have set up in Baie-Trinite: a market where the incumbent keeps the edge without exclusivity.

Growth is recent: 66.7% of the dated prefixes were assigned in the last ten years, peaking in 2020–2024. Baie-Trinite is among the rate centres where demand for numbers is still rising quickly.

2 undated in the register.

Dialling a Baie-Trinite number

Baie-Trinite is served by 3 overlaid area codes (418, 581 and 367). A 367 number is no more “out of town” than a 418 one; from abroad, dial +1 and the full ten digits.

The numbering neighbourhood

Baie-Trinite shares area codes 418, 581 and 367 with at least 20 other rate centres, including Quebec, Chicoutimi, Alma, Rimouski, Riviere-du-Loup, Thetford Mines, Sainte-Marie-de-Beauce and Levis. The largest of them, Quebec, holds 282 prefixes in 367, 418 and 581; the smallest on the list, Saint-Henri-de-Levis, has just 16.

What a Baie-Trinite number tells you

A number attached to Baie-Trinite tells you that its prefix was issued to a carrier for this rate centre in Quebec, most often Iristel Inc.. It does not tell you where the handset is today: a subscriber may have ported the number to any of the 2 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 Baie-Trinite: code 581-517 is recorded for Iristel Inc., so every 581-517-XXXX number (10,000 possible) descends from that assignment. “Baie-Trinite, Quebec” there names a rate centre, not a municipality, and several area codes overlay it.

Every Baie-Trinite prefix

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

Allocated prefixes

All 5 in-service prefixes, grouped by rate centre.

Elsewhere in Quebec