07829 numbers are for mobile phones in Jersey.
Which network uses 07829 numbers?
07829 numbers are officially allocated to Airtel Vodafone for mobile phone services.
All 07829 numbers will have originally been issued to customers by Airtel Vodafone. However, customers are free to take their number with them when they change networks which means that an 07829 number is not a reliable indicator of which network a phone is currently connected to.