+594 is the country code for French Guiana.
Every phone number in French Guiana starts with +594 when you call it from another country. From the US, dial 011 594, then the number without its first 0.
- Time there
- Cayenne timeFrench Guiana Time, UTC-3, no daylight saving
- From the US or Canada
- 011 594 694 20 12 34
- From the UK and most of Europe
- 00 594 694 20 12 34
- From Australia
- 0011 594 694 20 12 34
- From any mobile phone
- +594 694 20 12 34
- Inside French Guiana
- 0694 20 12 34
- Toll-free numbers
- Start with 0800, 0801, 0802, 0803, 0804 or 0805
Check a +594 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +594, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
In French Guiana, the phone number format for apps and SMS gateways is +594 followed by the number without its 0.
| Written | Example | Where you see it |
|---|---|---|
| At home | 0694 20 12 34 | Business cards, local ads |
| International | +594 694 20 12 34 | Websites, email signatures |
| E.164 | +594694201234 | APIs, SMS gateways, CRMs |
A missed call from a +594 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 French Guiana 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 +594 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +594.
Which country uses the +594 country code?
French Guiana. Every phone number there starts with +594 when it is dialed from abroad.
How do I call French Guiana from the US?
Dial 011, then 594, then the number without its first 0. A mobile number written 0694 20 12 34 at home is dialed 011 594 694 20 12 34 from the US, or +594 694 20 12 34 from any mobile phone.
Is +594 the same as 00594?
Yes. 00 is the exit code used in French Guiana 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.
What time is it in French Guiana?
French Guiana is on French Guiana Time, UTC-3, all year. It does not use daylight saving time.
How do I check a +594 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from French Guiana 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.