STD(Subscriber Trunk Dialling) codes or landline Area calling code are assigned to each city/town/village here it is 0491 , with the larger Metro cities having shorter area codes (STD code), the shortest being 2 digits, Tier-2 Cities have STD codes with 3 digits & for remote places being 4 digits.
No prefix is required to call from one landline to another in the same STD area Delhi, New delhi. A prefix of “0+STD code” is required to dial from Delhi, New delhi landline phone to another Place. A prefix of “0+STD code” is required to dial from a mobile phone to landline any where in India
Kerala State – short code KL has Population of (according to 2011 Census) 33,387,677. IT covers area of 38,863 Km2, cosisting 14 Districts,1,364 Villages, 159 Towns. The capital of Kerala is Thiruvananthapuram. People of Kerala commonly speak Malayalam.