Area code · Canada
Area code 437 — Toronto, ON
Ontario · in service since March 25, 2013
Area code 437 covers Toronto, ON. It is an overlay: 416, 647 serve the same area, so neighbors can have different area codes.
Local time in Toronto
Spam reports from Sep 23 – Oct 22, 2026
Low #373 of 461 codes
106 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes549 in service
- Runs out~1Q 2038
- Unwanted call?Block & report
Spam call reports about 437 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 13 |
| Sep 14 | 29 |
| Sep 21 | 32 |
| Sep 28 | 26 |
| Oct 5 | 21 |
| Oct 12 | 13 |
| Oct 19 (4 days) | 26 |
Compared with all codes
- Robocalls
- 86%all codes 75%
- Callers with the same code
- 0%all codes 35%
- Rank by complaints
- #373of 461 · bottom quarter
- FCC complaints, Oct 2025 – Sep 2026
- 158 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 75 47% | |
| Calls pretending to be government, businesses, or family and friends | 17 11% | |
| Warranties & protection plans | 4 2% | |
| Dropped call or no message | 1 1% | |
| Lotteries, prizes & sweepstakes | 1 1% | |
| Other | 52 32% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Florida | 14 9% | |
| California | 13 8% | |
| Texas | 12 8% | |
| Illinois | 10 6% | |
| Pennsylvania | 10 6% |
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 437 location and prefixes
| Exchange (CNAC) | Place | Prefixes |
|---|---|---|
| Toronto | Toronto | 549 |
Source: CNAC, CO code status of Oct 23, 2026.
NANPA record
- Location
- Ontario
- Assigned by NANPA
- July 25, 2011
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-447, PL-441, PL-426
Source: NANPA, NPA database of Oct 24, 2026.
Is 437 running out of numbers?
Previous forecast (October 2025): 2037, moved later by 1 year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 437 prefixes
The five largest of 15 original holders
As listed by CNAC, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Rogers Communications Canada Inc. (Wireless) | 158 29% | |
| Bell Mobility | 136 25% | |
| Telus Mobility | 61 11% | |
| Iristel Inc. | 58 11% | |
| Fido Solutions Inc. | 47 9% |
Source: CNAC, CO code status of Oct 23, 2026.
Questions about area code 437
What area code is 437?
An Ontario area code in Canada, in service since March 25, 2013.
Where is 437 area code, and what time zone is it in?
Toronto, ON; Eastern Time.
Why am I getting spam calls from 437?
106 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 437 get a new area code?
NANPA forecasts exhaust in 1Q 2038; no relief planning listed.