Unstructured Supplementary Service Data (USSD) is a capability built into GSM phones, much like the Short Message Service (SMS).Here is the list of all Indian telecom network companies ussd codes of Vodafone, Airtel, Bsnl, Idea, Aircel, Reliance, Jio, Docomo and other network companies available in Indian telecom market. We can check any network related services with the help of unique ussd codes for any type of particular service. USSD codes are extremely helpful to get some data from telephone gadget, SIM Card or from Celleuler/Mobile Network. Here we are giving you USSD codes that gives data about your telephone gadget. These codes perhaps helpful, for gadgets check like when you purchase an android telephone, you need to confirm its IMEI number and you need to dial a particular USSD code to see gadget's IMEI number.
Following is rundown of Basic USSD codes: