Phone prefixes in La Salle, ON

La Salle, ON is a rate centre in the Canadian numbering plan. CNAC records 10 in-service prefixes there, held by 8 carriers and spread across 3 area codes (548, 226, 519). With 10 prefixes, La Salle is a small rate centre within Ontario: 146th of 684, holding 0.1% of the province’s prefixes, and 454th of 2,921 rate centres across Canada.

Background reading: Canadian area codes, overlays, and what a 416 number actually tells you · Caller ID spoofing, STIR/SHAKEN, and how to actually block calls in Canada

In numbers

In-service prefixes
10
Telephone numbers covered
100,000
Carriers
8
Area codes
3
Provinces and territories
1
First assignment
December 15, 2006
Most recent assignment
March 6, 2023

La Salle’s share of its area codes

Within area code 548, La Salle accounts for only 4 of 499 prefixes (0.8%): the code is dominated by London and spread over 170 rate centres. Within area code 226, La Salle accounts for only 3 of 778 prefixes (0.4%): the code is dominated by London and spread over 166 rate centres. Within area code 519, La Salle accounts for only 3 of 779 prefixes (0.4%): the code is dominated by London and spread over 210 rate centres.

Area codesPrefixes herePrefixes in codeShareRangeLargest rate centre
54844990.8 %548-253548-777London
22637780.4 %226-635226-965London
51937790.4 %519-734519-978London

Who holds these numbers

Bell Canada holds the largest share at 2 prefixes, 20.0% of the total, ahead of 7 other carriers. Code by code: in 548, Fibernetics Corporation leads with 2 of 4 prefixes ahead of 2 others; in 226, IXICA Communications Inc. leads with 1 of 3 prefixes ahead of 2 others; in 519, Bell Canada leads with 2 of 3 prefixes ahead of 1 others. No carrier holds prefixes in every one of La Salle’s 3 area codes, while 8 appear in just one.

Wireless and wireline

None of La Salle’s holders carries a mobility brand in its registered name: all 10 prefixes belong to wireline or wholesale carriers, among them Bell Canada, Fibernetics Corporation, Distributel and ISP Telecom Inc. A call showing a La Salle number therefore nominally comes from a landline, cable or VoIP platform rather than a locally assigned cellphone.

How the allocation was built up

La Salle’s dated assignments run from 2006 to 2023. The busiest period was 2020–2024, when 5 prefixes went to 4 carriers. 2 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 5 prefixes have been added, so the rate centre is still growing.

La Salle’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 TELUS Integrated Communications in 2006. The most recent arrivals are ISP Telecom Inc. (2021), IXICA Communications Inc. (2021) and Fibernetics Corporation (2021), a sign that new carriers are still asking for numbers in La Salle.

La Salle has only 10 prefixes, or 100,000 numbers: a small rate centre, where the arrival of a single new carrier visibly changes the landscape.

No single carrier dominates La Salle: the leader, Bell Canada, holds only 20.0% of the prefixes against 7 competitors, a sign of a highly fragmented market where cable companies, mobility brands and VoIP providers weigh as much as the incumbent.

Growth is recent: 62.5% of the dated prefixes were assigned in the last ten years, peaking in 2020–2024. La Salle is among the rate centres where demand for numbers is still rising quickly.

PeriodPrefixesCarriers
2005–200911
2010–201411
2015–201911
2020–202454

2 undated in the register.

Dialling a La Salle number

La Salle is served by 3 overlaid area codes (548, 226 and 519). A 519 number is no more “out of town” than a 548 one; from abroad, dial +1 and the full ten digits.

The numbering neighbourhood

La Salle shares area codes 548, 226 and 519 with at least 20 other rate centres, including London, Kitchener-Waterloo, Windsor, Guelph, Brantford, Sarnia, Chatham and Hespeler. The largest of them, London, holds 214 prefixes in 226, 519 and 548; the smallest on the list, Essex, has just 16.

Rate centreProvinceShared codesPrefixesCarriers
LondonON226, 519, 54821423
Kitchener-WaterlooON226, 519, 54815821
WindsorON226, 519, 54812920
GuelphON226, 519, 5487218
BrantfordON226, 519, 5486717
SarniaON226, 519, 5485217
ChathamON226, 519, 5485017
HespelerON226, 519, 5484319
Owen SoundON226, 519, 5483716
StratfordON226, 519, 5483114
WoodstockON226, 519, 5483112
GaltON226, 519, 5482715
OrangevilleON226, 519, 5482712
ListowelON226, 519, 5482313
LeamingtonON226, 519, 5482213
SimcoeON226, 519, 5482210
GoderichON226, 519, 5482011
Mount ForestON226, 519, 5481910
TillsonburgON226, 519, 5481810
EssexON226, 519, 5481610

What a La Salle number tells you

A number attached to La Salle 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 8 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 La Salle: code 519-734 is recorded for Bell Canada, so every 519-734-XXXX number (10,000 possible) descends from that assignment. “La Salle, Ontario” there names a rate centre, not a municipality, and several area codes overlay it.

Every La Salle prefix

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

Frequently asked

What is the area code for La Salle?

La Salle does not have one area code but 3: 548, 226 and 519. The best-stocked is 548. All are dialled with ten digits and none is “more local” than another.

Is a call from La Salle a cellphone or a landline?

More likely a landline or a VoIP service: mobility brands hold only 0.0% of La Salle’s prefixes.

Which carrier is behind a La Salle number?

In the register, Bell Canada holds the most prefixes in La Salle (2 of 10), ahead of 7 other carriers. Code 519-734, for instance, belongs to Bell Canada.

Is this La Salle number a scam?

The register cannot say: it records who a prefix was issued to, not who is calling. Search the full number above to see the reports filed against it.

What is the newest prefix in La Salle?

The latest code brought into service is 548-514, assigned to Fibernetics Corporation on March 6, 2023. At the other end, the oldest dated prefix, 519-970, goes to TELUS Integrated Communications (December 15, 2006). A number in a recent prefix almost always belongs to a subscriber who signed up after that date.

Allocated prefixes

All 10 in-service prefixes, grouped by rate centre.

La Salle, ON

226-635 · 226-675 · 226-965 · 519-734 · 519-970 · 519-978 · 548-253 · 548-263 · 548-514 · 548-777

Elsewhere in Ontario

Rate centreProvincePrefixesCarriers
TorontoON2,14824
Ottawa-HullON44120
HamiltonON22123
BramptonON11620
OshawaON11020
St. Catharines-ThoroldON10719
BarrieON9518
OakvilleON9018
KingstonON8319
MarkhamON8117
Ajax-PickeringON7719
CooksvilleON7715

Allocation source: Canadian Numbering Administrator (CNAC), the registry that records which carrier a central-office code was originally issued to. An allocation says who was issued the prefix, not who serves the number today: numbers can be ported between carriers, and caller ID can be spoofed outright.