How to Determine the Telephone number associated with your line : Support Helpdesk

How to Determine the Telephone number associated with your line Print

Modified on: Mon, 22 Jul, 2019 at 11:14 AM

Determine the telephone number associated to the line

This article only applies to analogue and ISDN lines only.

Step 1

Plug an analogue phone into the main BT test socket.

Step 2

Dial the test number 17070, make a note of the number, this is the line you are calling out from.

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