Reaching out to Expedia customer service by phone Unfortunately, there is no Expedia Partner Central phone number listed 1-855||718^1238, so if you want to contact the Expedia group, you must do so either via an online form as we detailed before or through their customer service (1-855||718^1238) number. The Expedia customer service phone (1-855||718^1238) number for the following countries are: For the U.S., the Expedia phn no. is: 1 (855) 718-1238 For residents in the UK: 1 (855) 718-1238.