Testing telephone and fax numbers
If you're setting up a phone or faxing system, you're going to need to make test calls and faxes to verify that things are working.
I wanted to write down the test numbers that I've used that are working as of 2021-Nov-12.
Phone numbers with voice utilities
These numbers can be called and have tools that can test functionality or connection issues with your phone.
Initial list from https://shaun.net/resources/test-phone-numbers/ and https://thetestcall.blogspot.com/
| Country | Number | Note |
|---|---|---|
| Canada | +1 416 342 9562 | Voice echo |
| Canada | +1 250 412 5922 | Voice echo |
| Ireland | +353 1 687 7776 | Voice echo |
| United Kingdom | +44 20 8759 9036 | Caller ID check |
| United Kingdom | +44 20 3026 4621 | Voice echo |
| United States | +1 800 444 4444 | Caller ID check |
| United States | +1 213 621 0002 | Test tone |
| United States | +1 631 791 8378 | Voice echo |
| United States | +1 510 315 1211 | Voice echo and callback |
| United States | +1 802 359 9100 | Voice echo and latency check |
Phone numbers for simple call placement
These numbers can be used to test a successful call placement, without any utilities.
- Cisco Webex/Microsoft Teams conference call in numbers
- US Embassies in various countries
Phone numbers with texting utilities
These numbers can be used to test texting functionality.
| Country | Number | Note |
|---|---|---|
| United States | +1 650 456 4556 | US to US only – SMS/MMS echo |
| United States | http://www.smseverywhere.com/send.htm | Test SMS |
Fax numbers with utilities
These numbers can be faxed to or from to test the functionality of your faxing system.
| Country | Number | Note |
|---|---|---|
| Australia | +61 1300 368 999 | Send to and receive receipt confirmation back |
| Australia | +61 0396 400 999 | Send to and receive receipt confirmation back |
| United States | +1 888 473 2963 | Send to and receive receipt confirmation back |
| United States | +1 855 392 2666 | Send to and receive receipt confirmation back |
| United States | +1 650 530 9014 | Send to and receive receipt confirmation back |
| United States | +1 855 330 1239 | Send to and check quality on https://www.faxtoy.net/ |
| United States | +1 213 294 2943 | Send to and check quality on https://www.faxtoy.net/ |
| United States | https://faxzero.com/ | Send fax and test receipt |