Area Code Lookup
What Area Code Is Sulphur?
Area code 337 · Louisiana
Sulphur uses area code 337. It is located in Louisiana.
Area Code Serving Sulphur
Frequently Asked Questions
What area code is Sulphur?
Sulphur uses area code 337. It is located in Louisiana.
How do I call Sulphur from outside the US?
To call Sulphur from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-337-XXX-XXXX). The +1 is the country code for all NANPA countries.