Phone prefixes in Coboconk, ON

In numbers

In-service prefixes

4

Telephone numbers covered

40,000

Carriers

4

Area codes

3

Provinces and territories

1

First assignment

August 8, 2007

Most recent assignment

April 10, 2025

Coboconk’s share of its area codes

Within area code 705, Coboconk accounts for only 2 of 770 prefixes (0.3%): the code is dominated by Barrie and spread over 203 rate centres. Within area code 249, Coboconk accounts for only 1 of 585 prefixes (0.2%): the code is dominated by Sudbury and spread over 176 rate centres. Within area code 683, Coboconk accounts for only 1 of 80 prefixes (1.3%): the code is dominated by Lindsay and spread over 57 rate centres.

Who holds these numbers

Bell Canada holds the largest share at 1 prefixes, 25.0% of the total, ahead of 3 other carriers. Code by code: in 705, Bell Canada leads with 1 of 2 prefixes ahead of 1 others; TELUS Integrated Communications is the only holder in 249; Rogers Communications Canada Inc. (Cable) is the only holder in 683. No carrier holds prefixes in every one of Coboconk’s 3 area codes, while 4 appear in just one.

Wireless and wireline

None of Coboconk’s holders carries a mobility brand in its registered name: all 4 prefixes belong to wireline or wholesale carriers, among them Bell Canada, Fibernetics Corporation, Rogers Communications Canada Inc. (Cable) and TELUS Integrated Communications. A call showing a Coboconk number therefore nominally comes from a landline, cable or VoIP platform rather than a locally assigned cellphone.

How the allocation was built up

Coboconk’s dated assignments run from 2007 to 2025. The busiest period was 2005–2009, when 1 prefixes went to 1 carrier. 1 prefixes (25%) 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.

Coboconk’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 Fibernetics Corporation in 2007. The most recent arrivals are Rogers Communications Canada Inc. (Cable) (2025), TELUS Integrated Communications (2017) and Fibernetics Corporation (2007), a sign that new carriers are still asking for numbers in Coboconk.

Coboconk has just 4 prefixes (40,000 numbers): a very small rate centre, typical of a village or rural area served by a single switching office.

No single carrier dominates Coboconk: the leader, Bell Canada, holds only 25.0% of the prefixes against 3 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 2005–2009. The rate centre is growing at a regular rather than explosive pace.

1 undated in the register.

Dialling a Coboconk number

Coboconk is served by 3 overlaid area codes (705, 249 and 683). A 683 number is no more “out of town” than a 705 one; from abroad, dial +1 and the full ten digits.

The numbering neighbourhood

Coboconk shares area codes 705, 249 and 683 with at least 20 other rate centres, including Barrie, Sudbury, Peterborough, Sault Ste. Marie, North Bay, Huntsville, Lindsay and Collingwood. The largest of them, Barrie, holds 95 prefixes in 249, 683 and 705; the smallest on the list, Kapuskasing, has just 12.

What a Coboconk number tells you

A number attached to Coboconk tells you that its prefix was issued to a carrier for this rate centre in Ontario, 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 4 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 Coboconk: code 705-454 is recorded for Bell Canada, so every 705-454-XXXX number (10,000 possible) descends from that assignment. “Coboconk, Ontario” there names a rate centre, not a municipality, and several area codes overlay it.

Every Coboconk prefix

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

Allocated prefixes

All 4 in-service prefixes, grouped by rate centre.

Elsewhere in Ontario