The prefixes VK, DM, BW etc. are generally displayed are associated with Telecom Operator codes. We follow rules framed by Telecom Regulatory Authority of India (TRAI) and according to TRAI regulations.

  • Sender ID should be restricted to 6 characters. (E.g VK – INFINI)
  • The first character of prefix defines the Operator (shown below):


OperatorCode
Aircel, Dishnet WirelessD
AirtelA
BSNLB
BPL Mobile/Loop TelecomL
Idea CellularI
MTNLM
Reliance CommunicationsR
Reliance TelecomE
Tata TeleservicesT
UnitechU
VodafoneVideocon
VH
  • The latter character represents the location of the Operator (shown below):


OperatorCode
Andhra PradeshA
AssamS
BiharB
DelhiD
GujaratG
HaryanaH
Himachal PradeshI
Jammu & KashmirJ
KarnatakaX
KeralaL
KolkataK
Madhya PradeshY
MaharashtraZ
MumbaiM
North EastN
OrissaO
PunjabP
RajasthanR
TamilnaduT
UP-EastE
UP-WestW
West BengalV