We can certainly assist you with an estimate for your taxes. Please use this Tax and Surcharge estimator to help with your taxes: https://www.verizon.com/support/taxes-and-surcharge-estimator/ .
What is the difference in these two taxes:
Richland Cnty Sls Tax-Telco
Richland Cnty SPL Sls Tax-Telco
You'll have to check with Richland County to verify the exact details of these taxes. However, based on their description I would guess the first one is a sales tax and the second is for a special rate sales tax.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
JoePF, here via Social Media we are only able to give an estimate of taxes. For more precise details regarding the exact Sales Tax for your area, we do recommend reaching out to our Sales Team directly at 1-800-256-4646.*Joshua