From Plusnet Exchange Checker:- Exchange Status Checker No matches The input you supplied does not match a valid exchange name, phone number or postcode on record. This does not however mean, it is not on record. This screen can appear between master updates of the databases. These happen about once every two months. It can also appear if your exchange is not enabled or you have given incorrect information. For your information, you submitted "01209 ******" Have lived in this property with BT phone line and Plusnet broadband connected for sixteen months and yes I am putting the correct phone number in the checker.