Area Code Lookup
What Area Code Is Lake Dallas?
Area code 940 · Texas
Lake Dallas uses area code 940. It is located in Texas.
Area Code Serving Lake Dallas
Frequently Asked Questions
What area code is Lake Dallas?
Lake Dallas uses area code 940. It is located in Texas.
How do I call Lake Dallas from outside the US?
To call Lake Dallas from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-940-XXX-XXXX). The +1 is the country code for all NANPA countries.