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The meaning of the Acronym 21 is...
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Regional
Telephone Country Codes
21
21 is
Karachi City Code
More Meanings For 21:
NAK ( Negative Acknowledgement)
Karachi City Code
21 is also in:
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Telephone Country Codes
Acronym Definition Searched:
NACRO
DACOR
ISAC
SC
AUT
ESR
GOWG
LMOT
FLR
OPM
NTI
VRA
VPZ
WOPO
WDST