From a foreign country, you will need to dial 00 and
91 to reach India and
22 for Mumbai. The city has basic landline operators
as well as many mobile telephony providers. MTNL and Tata Indicom are the two
landline operators in the city. MTNL is the largest and oldest provider with
over 2.5 million subscribers while Tata Indicom is a new entrant with about
200,000 subscribers.
The main GSM operators in the city are:
- Hutch: Formerly Orange, this is the largest
GSM operator in Bombay. It has a large user base and network. Hutch
numbers start with '9820' or '9819' and are 10 digits long.
- Airtel: Airtel started operations in
Mumbai in 2002-2003. It has rapidly grown in numbers since then. Airtel numbers
start with '9892' or '9867' and are 10 digits long.
- Dolphin: Dolphin is the
GSM branch of MTNL. It starts with '9869'. It is state owned and is the smallest
player among the GSM companies.
Source:
http://www.nationmaster.com/encyclopedia/
Pre-paid cards
The prepaid SIM card with a world cell phone is a convenient, economical and
efficient way to stay in touch while in Mumbai. All incoming calls while you
travel in India are free. You only pay the local rate for local calls since
the SIM card is prepaid, there is no hassle of a contract. You can get a pre-paid
SIM card at any mobile shop in Mumbai.