Union, South Carolina
Eastern Time Zone (UTC-5) · SC · —
864
1995
Greenville
South Carolina
Eastern
Split
+1
821
2024
Greenville
South Carolina
Eastern
Overlay
About Area Codes in Union, South Carolina
Union, South Carolina is served by 2 area codes: 864, 821. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Union require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Frequently Asked Questions
What area code is Union, South Carolina?
Union, South Carolina uses area codes 864 and 821.
What time zone is Union in?
Union is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Union?
Yes, all local calls in Union require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 864 created?
Area code 864 was established in 1995 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 864 with Union?
Other cities sharing area code 864 with Union include Anderson, Clemson, Easley, Greenville, Greer, among others.
Also called Union:
Union, SC · Eastern Time Zone