How do i contact metro bank for mortgage questions? Existing customers: For questions about your existing Metro Bank mortgage, call 0345 319 1200. New mortgage applications: If you have a question about a new mortgage application, call 0203 427 1435.Why choose metrometro customs brokers? Metro Customs Brokers is recognized by both government and industry as a leader in service excellence and customs compliance and is licensed as a non-vessel operating common carrier (NVOCC).How do i contact a mortgage broker or a broker? New mortgage applications: If you have a question about a new mortgage application, call 0203 427 1435. Mortgage Brokers: For enquiries on new and existing applications, please call us on 0203 427 1019. For help with our savings products, including ISAs, call us on 0345 0808 500.