ISD Codes for all countries and IDD Prefixes

International Dialing Codes for countries starting in "S"

We are pleased to present to you "ISD Codes" in a simple and easy to navigate format. Please make your selection below.

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For STD Codes of different cities of India, Click here

International Dialing Codes for countries starting in "S"

Country City	IDD Prefix	ISD Country Code	Time Difference-GMT
St. Helena	00	290	--
St. Kitts/Nevis	011	1-869	--
St. Lucia	011	1-758	--
St. Pierre & Miquelon	00	508	--
St. Vincent & Grenadines	011	1-784	--
Samoa	0	685	--
San Marino	00	378	--
Sao Tome and Principe	00	239	--
Saudi Arabia Riyadh Taif Jeddah	00	966 1 2 2	-- +3 hrs -- +3 hrs
Senegal	00	221	--
Serbia	99	381	--
Seychelles Republic Victoria	00	248 248	+3 hrs --
Sierra Leone	00	232	--
Singapore	001 - Singtel IDD 002 - MobileOne IDD 008 - Starhub IDD 012 - Singtel FaxPlus (Fax over IP) 013 - Singtel BudgetCall (Voice recommended only/Fax possible) 018 - Starhub I-Call (Voice over IP) 019 - Singtel V019 (Voice over IP)	65	+3 hrs
Slovak Republic	00	421	--
Slovenia	00	386	--
Solomon Islands	00	677	--
Somali Democratic Republic	00	252	--
South Africa	00	27	--
South Korea Seoul	00	82 2	-- --
Spain Barcelona Madrid	00	34 3 1	-- +2 hrs +2 hrs
Sri Lanka Colombo Jaffna	00	94 32 21	-- +5.30 hrs --
Sudan Atbara Khartoum Madani Omdurman Port Sudan	00	249 21 11 51 11 31	-- +3 hrs +3 hrs +3 hrs +3 hrs +3 hrs
South Sudan	00	211	+3 hrs
Suriname	00	597	--
Swaziland	00	268	--
Sweden Goteborg Stockholm	00	46 31 8	-- +6 hrs +6 hrs
Switzerland Berne Geneva Zurich	00	41 31 22 1	-- +2 hrs +2 hrs +2 hrs
Syria Aleppo Damascus Homs Latkia	00	963 21 11 31 41	-- +3 hrs +3 hrs +3 hrs +3 hrs

Note : IDD Prefix is the International Direct Dial code you need to use at the start of an international call. The IDD code is followed by the country ISD code you are calling