There is only one contact landing page for www and it looks like this:
When you need to edit it, you will see the following input screen
These are how each component looks and what they are tied to
One title and one feature image allowed
Only one related contact block allowed and one contact listing double block allowed
In the Email and phone listing, you can add as many listings as you want
For the featured links - you can only have two
For external contact blocks, you can add multiple if needed