The total length of all phone numbers (STD code and the phone number) in India is constant at 10 digits, for example 7513200000 signifies a STD code i.e. 751 Gwalior & the phone number 3200000. Land line numbers are at most 8 digits long (usually in major metros).
Millimeter definition, a unit of length equal to one thousandth of a meter and equivalent to 0.03937 inch. See more.
Definition: The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). Common references: 1  There are 25.4 millimetres in one inch.2  The head of a pin is approximately 2mm diameter. 3  A CD is approximately 1.2mm thick.efinition: The millimetre is a unit of length in the metric system, equivalent to one thousandth of a metre (the SI base unit of length). Common references: 1  There are 25.4 millimetres in one inch.