Sri Lanka SIM cards are available under contract to its citizens who have Sri Lanka National Identity Cards. Also visiting tourists and other visitors too can have SIM cards if they can produce Valid Passports. This is a good for the foreigners to save money on their communication bill as Sri Lanka offers cheapest phone calls and data plan. Mobile phones can accommodate single or Dual SIM (Subscriber identity module) cards for each mobile number they are registered under. Sri Lanka Phone carriers are allowed to provide only 5 SIM cards for a person from their carrier. It is illegal to own more than that number from a carrier in this country. Also it is illegal to use a SIM that is registered in another person's name.
How to check the SIM owner's details?
Insert the SIM in a phone, if it is not in the phone.
Select the "Ownership" number (Normally 1) and send to the system.
The system will display the name and the NIC Number of the SIM card owner.
Phone user can visit service provider to obtain a 2G, 3G or 4G LTE SIM card by signing the contract by providing her/his NIC photocopy. Before buying a 4G LTE SIM card check whether your mobile phone will support the 4G LTE connectivity as some of the latest Smartphones only support it. They are allowed to select one phone number out of the provided 10 numbers list. Buyers can select either post paid or pre-paid billing plan. Once everything is done service will be activated then and there or within one hour of time. Normally the SIM card will be active within one hour of duration. Foreigners are requested to provide their passport and a copy of it to purchase a SIM card under their name, during their short stay in Sri Lanka. They can pay the amount in local currency too after signing the contract. Their SIM card is valid for 30days only. It can be extended if the validity of their visas too are extended. Newly introduced eSIM card is good for the latest Smartphones only.
The SIM card popularly used in Sri Lanka is standard sized one that is called as full size SIM card which can hold up to 250 contacts names and their phone numbers in it.
Most of the SIM cards are coming as standard one while you can press through the center part and get the mini SIM to use in Smartphone. If you are going to use a latest Smartphone that will accept Mini-SIM, Micro-SIM or Nano-SIM then contact the mobile service providing center. Ask them to provide a new SIM for it by providing your current SIM card. If the required type of SIM card is available, they will provide one. Otherwise they will cut it according to the size and provide it to you. Before leaving the place insert it and check whether it is working perfectly. Take note, once it is cut you can't use it in your normal cellular phone as it won't fit there. But by placing it in the older cover will allow to work in simple cellular phones.
Produce your worn out or battery draining SIM card to your service provider and ask them to replace it. Sometime they may ask you to pay the required money. They can replace it with a new SIM card with your previous mobile phone number. If you are going to change your SIM card, backup your contact details and SMS text messages. If you are going to upgrade your SIM card from 3G to 4G then they will provide you a new SIM card in a packet. Follow the instructions on the packet and upgrade the new SIM with you existing mobile number and then throw away your old SIM card.
Public holidays, Sundays and Poya days are the best time to make low priced calls to any part of the world from Sri Lanka through out the day and night.
International country code of Sri Lanka is +94 or 0094.