Area Code 210 History - Texas

Significant events for area code 210


Year
Details
1992 Area code 512 was split with 210 covering the western area.
1997 Three-way split of area code 210. The area surrounding San Antonio and extemding west to the Gulf moving to 830 and the southern area moving to 956 .
2017 Area code 726 is planned to be overlaid on 210 in October.