Area code · Canada
Area code 548 — Ontario
Ontario · in service since June 4, 2016
Area code 548 covers parts of Ontario. It is an overlay: 226, 382, 519 serve the same area, so neighbors can have different area codes.
Local time in Ontario
Spam reports from Sep 23 – Oct 22, 2026
Low #361 of 461 codes
143 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes502 in service
- Runs out~3Q 2034
- Unwanted call?Block & report
Spam call reports about 548 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 3 |
| Sep 14 | 14 |
| Sep 21 | 10 |
| Sep 28 | 16 |
| Oct 5 | 37 |
| Oct 12 | 55 |
| Oct 19 (4 days) | 27 |
Compared with all codes
- Robocalls
- 95%all codes 75%
- Callers with the same code
- 0%all codes 35%
- Rank by complaints
- #361of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 41 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 64 40% | |
| Calls pretending to be government, businesses, or family and friends | 14 9% | |
| Dropped call or no message | 5 3% | |
| Lotteries, prizes & sweepstakes | 1 1% | |
| Warranties & protection plans | 1 1% | |
| Other | 72 44% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| California | 23 14% | |
| Florida | 20 12% | |
| Texas | 14 9% | |
| Georgia | 10 6% | |
| Michigan | 8 5% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 548 location and prefixes
| Exchange (CNAC) | Place | Prefixes |
|---|---|---|
| London | London | 37 |
| Kitchener-Waterloo | Kitchener-Waterloo | 25 |
| Windsor | Windsor | 20 |
| Brantford | Brantford | 12 |
| Guelph | Guelph | 12 |
| Sarnia | Sarnia | 11 |
| Listowel | Listowel | 10 |
| Leamington | Leamington | 9 |
| Mount Forest | Mount Forest | 9 |
| Chatham | Chatham | 8 |
Plus 160 smaller exchange areas.
Source: CNAC, CO code status of Oct 23, 2026.
NANPA record
- Location
- Ontario
- Assigned by NANPA
- October 31, 2013
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-472, PL-467
Source: NANPA, NPA database of Oct 24, 2026.
Is 548 running out of numbers?
Previous forecast (October 2025): 2036, moved earlier by 2 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 548 prefixes
The five largest of 21 original holders
As listed by CNAC, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Fibernetics Corporation | 158 31% | |
| Iristel Inc. | 63 13% | |
| Isp Telecom Inc. | 57 11% | |
| Rogers Communications Canada Inc. (Wireless) | 37 7% | |
| Ixica Communications Inc. | 27 5% |
Source: CNAC, CO code status of Oct 23, 2026.
Questions about area code 548
What area code is 548?
An Ontario area code in Canada, in service since June 4, 2016.
Where is 548 area code, and what time zone is it in?
Ontario; Eastern Time.
Why am I getting spam calls from 548?
143 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 548 get a new area code?
NANPA forecasts exhaust in 3Q 2034; no relief planning listed.