You can contact Airtel Customer care for Choosing Postpaid Mobile Plans, Raising Postpaid Mobile complaints and queries. Airtel customer care number 198 is toll-free. This article covers Airtel Black 's contact details, including the customer care number (121, 9810012345 or 1800-103-6065) and email address ([email protected]). Here are the detailed steps to reach out for the airtel customer care . We have curated a detailed process for you to have a seamless service. For any queries, subscribers can directly call Airtel Black customer care number: Toll-Free: 121 or 8800 688 006 (For Whatsapp Support) else Airtel call me back SMS service: "141#