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.
centimeter - a metric unit of length equal to one hundredth of a meter. centimetre, cm. metric linear unit - a linear unit of distance in metric terms. millimeter, millimetre, mm - a metric unit of length equal to one thousandth of a meter. decimeter, decimetre, dm - a metric unit of length equal to one tenth of a meter. Translations.