North Park's El Cajon Boulevard authorized T-Mobile retailer, Metro by T-Mobile at 2935 El Cajon Blvd sells prepaid 5G smartphones and no-contract wireless plans. Customers looking to sell used watches or jewelry before upgrading handsets can step into Royal Loan on the same boulevard. The store carries current-generation Apple, Samsung, and Motorola devices with device-financing options that spread hardware costs across monthly installments. Prepaid customers who prefer in-person bill payment can process Metro transactions at Moneytree on El Cajon Blvd. This location provisions international calling add-ons, home internet service, and hotspot devices for households that need connectivity beyond a single smartphone.