Prefix Information
The prefix 621 is part of area code 210 serving San Antonio, Texas.
This exchange contains 10,000 possible phone numbers (210-621-0000 through 210-621-9999).
Phone numbers with prefix 621 in area code 210. Location: San Antonio, Texas.
The prefix 621 is part of area code 210 serving San Antonio, Texas.
This exchange contains 10,000 possible phone numbers (210-621-0000 through 210-621-9999).