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Tuesday 13 September 2011
What is The Full Form of STD ISD PCO
The Full Form Of STDis Subscriber Trunk Dialing, Full Form of ISD is International Subscriber Dialing, PCO Public Call Office.
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Unknown
11 September 2013 at 06:48
IN THE PLACE OF SUBSCRIBER SEQUENTIAL IS BETTER
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IN THE PLACE OF SUBSCRIBER SEQUENTIAL IS BETTER
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