What is the Full Form of PCO,STD,ISD?

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What is the Full Form of PCO,STD,ISD

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2006-09-13 19:11:49 · answer #1 · answered by netnew 7 · 0⤊ 0⤋

Public Call Office
Subscribers Trunk Dialing
International Subscribers Dialing

2006-09-14 02:10:21 · answer #2 · answered by dreamsunltd 3 · 0⤊ 0⤋

Sounds like diseases ew...

2006-09-14 02:11:24 · answer #3 · answered by gurlybiz 1 · 0⤊ 0⤋