Last updated on June 26th, 2019 at 06:26 amLG Customer Service Phone Numbers LG Technical Support  Number: 1-877-878-7908 Customer service: 800 243-0000 LG SMS service Number: LG Troubleshooting Phone number Commercial Display:888-865-3026 Air Conditioning Technologies:800-423-4142 Solar, Commercial Laundry, Styler:888-865-3026 PTAC:888-865-3026 LG Headquarters Info, Email, Phone number, Website and live chat Information LG Corporation formerly Lucky-GoldStar is a