The following is a list of mobile telecommunications networks using third-generation Universal Mobile Telecommunications System (UMTS) technology.
This list does not aim to cover all networks, but instead focuses on networks deployed on frequencies other than 2100 MHz which is commonly deployed around the globe and on Multiband deployments.
Networks in Europe, the Middle East and Africa are exclusively deployed on 2100 MHz (Band 1) and/or 900 MHz (Band 8).
Networks in this region are commonly deployed on 850 MHz (Band 5) and/or 1900 MHz (Band 2) unless denoted otherwise.
Networks in Asia are commonly deployed on 2100 MHz (Band 1) unless denoted otherwise.