503 Country Code: El Salvador (+503)
+503 is the country code for El Salvador. If you searched "503 country code", "country code 503", "00503 country code", or "+503 country code" — they all refer to El Salvador. The code is also called the 503 dialing code, 503 phone code, or 503 ISD code, and is assigned by the International Telecommunication Union (ITU) under the E.164 standard.
Below you will find the number format, trunk prefix, major city area codes, and dialing facts specific to El Salvador (+503).
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El Salvador Phone Number Format
International Format Example
El Salvador does not use a trunk prefix, so domestic and international formats are effectively the same — just prepend +503.
Calling El Salvador from Your Browser
To place a call to El Salvador, dial +503 followed by the local number in the Kinvo browser dialer. Pay-as-you-go, no app required.
Call El Salvador from Your Browser
Call any El Salvador number (+503) directly from Chrome, Firefox, Safari, or Edge. No install required. Use it in under 2 minutes.
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Frequently Asked Questions: El Salvador Country Code
Which country is country code 503?
Country code 503 belongs to El Salvador. The full international dialing code is +503, also written as 00503 when dialing from countries that use 00 as an international access code, or +503 when dialing from a mobile phone.
What is the country code for El Salvador?
+503 is the international dialing code for El Salvador, assigned by the ITU under E.164. The ISO 3166-1 alpha-2 code is SV.
Can I call El Salvador from my browser?
Yes. Kinvo connects calls to El Salvador via WebRTC directly from Chrome, Firefox, Safari, or Edge. No app download. Sign up, add credits from $5, and dial +503 followed by the local number.