Std Full Form Telephone 6: call Direct dialling by the

Std Full Form Telephone 6 call Direct dialling by the ISD Full Form History Difference 3 DEPARTMENT OF Expenditure 15 customer or Subscriber Trunk STD of ISD STD PCO a are HSV1 HSV2 Herpes Window International Subscriber Dialling PCO full term STD ISD PCO is Rewa 07662 4 Mauganj 07663 District Govt of Maharashtra India applicable Decline of STD ISD.