Bing Ads is trying to ingress into the territory of Google Adwords and one can reach them at following toll free as number listed below:
Bing Ads Phone Support for India
Phone support: 000-800-4402074
Hours of operation:
10:00 – 18:00 IST Monday – Friday
*Phone support is offered for Bing Ads customers only. Please have your account number ready.
Bing Ads Phone Support for United States
Hours of Operation:
6 A.M. – 6 P.M. PST Monday – Friday
8 A.M. – 6 P.M. PST Saturday
While calling them keep your 7 digit account number ready.