Area Code Lookup
What Area Code Is Rio Grande City?
Area code 956 · Texas
Rio Grande City uses area code 956. It is located in Texas.
Area Code Serving Rio Grande City
Frequently Asked Questions
What area code is Rio Grande City?
Rio Grande City uses area code 956. It is located in Texas.
How do I call Rio Grande City from outside the US?
To call Rio Grande City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-956-XXX-XXXX). The +1 is the country code for all NANPA countries.