0
The Rio Grande Valley was in area code 210 until July 7, 1997, when 210 underwent a 3-way split, creating the new 956 area code for the Rio Grande Valley and the new 830 area code for the Hill Country.
Until 1992, the Rio Grande Valley, along with San Antonio, Corpus Christi, and the Hill Country, was in area code 512 with Austin.
What else can I help you with?
What is the area of Bentsen-Rio Grande Valley State Park?
The area of Bentsen-Rio Grande Valley State Park is 3,091,798.3067136 square meters.
What is the area of Lower Rio Grande Valley National Wildlife Refuge?
The area of Lower Rio Grande Valley National Wildlife Refuge is 367.406 square kilometers.
What is the area of Hettange-Grande?
The area of Hettange-Grande is 16.27 square kilometers.
What is the area of Arroio Grande?
The area of Arroio Grande is 2,518.5 square kilometers.
What is the area of Grande-Synthe?
The area of Grande-Synthe is 21.44 square kilometers.
What is the area of Brejo Grande?
The area of Brejo Grande is 149.2 square kilometers.
What is the area of Treppo Grande?
The area of Treppo Grande is 11.3 square kilometers.
What is the area of Campo Grande?
The area of Campo Grande is 8,096 square kilometers.
What is the area of Praia Grande?
The area of Praia Grande is 149,079 square kilometers.
What is the area of Grande Prairie?
The area of Grande Prairie is 72.8 square kilometers.
What is the area of Moyeuvre-Grande?
The area of Moyeuvre-Grande is 9,590,000.0 square meters.
What is the area of Grande Comore?
The area of Grande Comore is 1,148 square kilometers.
