+503 is the country code for El Salvador.
Every phone number in El Salvador starts with +503 when you call it from another country. From the US, dial 011 503, then the full number.
- Time there
- El Salvador timeCentral Standard Time, UTC-6, no daylight saving
- From the US or Canada
- 011 503 7012 3456
- From the UK and most of Europe
- 00 503 7012 3456
- From Australia
- 0011 503 7012 3456
- From any mobile phone
- +503 7012 3456
- Inside El Salvador
- 7012 3456
- Mobile numbers
- 8 digits after +503, starting 5, 6 or 7
- Toll-free numbers
- Start with 800 or 801
Check a +503 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +503, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
Mobile numbers in El Salvador start with 5, 6 or 7, and this table shows which networks first issued each start.
| At home | From abroad | First issued by |
|---|---|---|
| 5 | +503 5 | Claro, Digicel, Tigo |
| 6 | +503 6 | Tigo, Claro, SIGET |
| 7 | +503 7 | Claro, Movistar, Tigo |
People keep their number when they switch networks, so the start shows where a number began. Our free number portability lookup shows the network it is on today.
In El Salvador, the phone number format for apps and SMS gateways is +503 followed by the full number.
| Written | Example | Where you see it |
|---|---|---|
| At home | 7012 3456 | Business cards, local ads |
| International | +503 7012 3456 | Websites, email signatures |
| E.164 | +50370123456 | APIs, SMS gateways, CRMs |
A missed call from a +503 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in El Salvador is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +503 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +503.
Which country uses the +503 country code?
El Salvador. Every phone number there starts with +503 when it is dialed from abroad.
How do I call El Salvador from the US?
Dial 011, then 503, then the full number. A mobile number written 7012 3456 at home is dialed 011 503 7012 3456 from the US, or +503 7012 3456 from any mobile phone.
Is +503 the same as 00503?
Yes. 00 is the exit code used in El Salvador and most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in El Salvador?
A mobile number has 8 digits after +503, written 7012 3456 at home.
What time is it in El Salvador?
El Salvador is on Central Standard Time, UTC-6, all year. It does not use daylight saving time.
How do I check a +503 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from El Salvador and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.