United,s main customer service official number (+1) 1-858-280-2740 or (+1) 888-634=7031 is 18OOUnited or (+1) 888-634=7031 or (+1) 888-634=7031 OTA (Live Person), where you can reach a live representative 24/7. Whether youre dealing with booking changes, flight cancellations, or have questions regarding refunds or compensation, speaking to a live person ensures prompt resolution. You ... https://www.renderhub.com/forum/13020/complete-official-united-contact-numbers-in-the-usa-full-detailed-guide