Phone prefixes in Terrace Bay, ON

In numbers

In-service prefixes

6

Telephone numbers covered

60,000

Carriers

5

Area codes

1

Provinces and territories

1

First assignment

April 20, 2004

Most recent assignment

June 16, 2022

Terrace Bay’s share of its area code

Within area code 807, Terrace Bay accounts for only 6 of 293 prefixes (2.0%): the code is dominated by Thunder Bay and spread over 85 rate centres.

Who holds these numbers

Rogers Communications Canada Inc. (Wireless) holds the largest share at 2 prefixes, 33.3% of the total, ahead of 4 other carriers. Code by code: in 807, Rogers Communications Canada Inc. (Wireless) leads with 2 of 6 prefixes ahead of 4 others.

Wireless and wireline

3 of Terrace Bay’s 6 prefixes (50.0%) are held by carriers whose registered name marks a wireless business: Rogers Communications Canada Inc. (Wireless) and Bell Mobility. Wireline prefixes still outnumber them, carried by Bell Canada, Shaw Telecom Inc and TBayTel. 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

Terrace Bay’s dated assignments run from 2004 to 2022. The busiest period was 2010–2014, when 2 prefixes went to 2 carriers. 1 prefixes (17%) carry no date in the register: these are the historic pre-1999 assignments, the wireline bedrock of the rate centre. Since 2020 another 1 prefixes have been added, so the rate centre is still growing.

Terrace Bay’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 Rogers Communications Canada Inc. (Wireless) in 2004. The most recent arrivals are TBayTel (2022), Shaw Telecom Inc. (2019) and Bell Mobility (2014), a sign that new carriers are still asking for numbers in Terrace Bay.

Terrace Bay has just 6 prefixes (60,000 numbers): a very small rate centre, typical of a village or rural area served by a single switching office.

No single carrier dominates Terrace Bay: the leader, Rogers Communications Canada Inc. (Wireless), holds only 33.3% of the prefixes against 4 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: 20.0% of the dated prefixes go back to the last ten years, the most active period being 2010–2014. The rate centre is growing at a regular rather than explosive pace.

1 undated in the register.

Dialling a Terrace Bay number

A single area code, 807, covers Terrace Bay, and it is not overlaid with any other code on this territory: one of the few parts of Canada where seven-digit local dialling may still work. From abroad, dial +1 807 and the seven-digit number.

The numbering neighbourhood

Terrace Bay shares area code 807 with at least 20 other rate centres, including Thunder Bay, Kenora, Fort Frances, Dryden, Marathon, Nipigon, Atikokan and Geraldton. The largest of them, Thunder Bay, holds 67 prefixes in 807; the smallest on the list, Jaffray-Melick, has just 2.

What a Terrace Bay number tells you

A number attached to Terrace Bay tells you that its prefix was issued to a carrier for this rate centre in Ontario, most often Rogers Communications Canada Inc. (Wireless). It does not tell you where the handset is today: a subscriber may have ported the number to any of the 5 carriers present here or to a VoIP service usable anywhere. Nor does it tell you who is calling: caller ID can be spoofed, and an Ontario area code is easy to borrow to look local.

Reading a register entry for Terrace Bay: code 807-821 is recorded for Rogers Communications Canada Inc. (Wireless), so every 807-821-XXXX number (10,000 possible) descends from that assignment. “Terrace Bay, Ontario” there names a rate centre, not a municipality.

Every Terrace Bay prefix

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

Allocated prefixes

All 6 in-service prefixes, grouped by rate centre.

Elsewhere in Ontario