There is no number that will get you connected to any WDW resort. You can google them etc. but any number listed will get you to a call center. They want the CMs at the resort to work with/talk to the guests standing in front of them, not on the phone. Also, if you hit the "Front Desk" button on the phone in your resort room you will not get the front desk. Those calls also get routed to a call center.
The best way to add any room requests is to call the main reservations line and add your requests to your reservation.
Martinique 22 is a great location.