Sri Lanka is telephone country code +94. All numbers have 9 digits after the country code.
In international format, you must drop the trunk prefix '0' from the beginning of the Sri Lankan number. For example, Colombo's area code 011 becomes +94 11.
Mobile numbers begin with +94 7.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The postal code for Gothatuwa, a suburb in Sri Lanka, is 10550. This area is part of the Colombo District and is known for its residential neighborhoods and growing infrastructure.
00034 Negombo Branch
The telephone country code +947 is assigned to Sri Lanka. This code is used for dialing into Sri Lanka from abroad. When making a call to Sri Lanka, you would typically dial the international access code, followed by 947 and then the local number.
The country code and area code of Ampara, Sri Lanka is 94, (0)63.
The country code and area code of Anuradhapura, Sri Lanka is 94, (0)25.
The country code and area code of Awissawella, Sri Lanka is 94, (0)36.
The country code and area code of Badulla, Sri Lanka is 94, (0)55.
The country code and area code of Bandarawela, Sri Lanka is 94, (0)57.
The country code and area code of Batticaloa, Sri Lanka is 94, (0)65.
The country code and area code of Chilaw, Sri Lanka is 94, (0)32.
The country code and area code of Galle, Sri Lanka is 94, (0)91.
The country code and area code of Gampaha, Sri Lanka is 94, (0)33.