USGM Help Center Getting Started What address do I send the physical 1583 form to? Getting StartedSign UpRequired DocumentsIssues with Signing Up Key FeaturesServicesManaging AccountVirtual Mailbox Receiving MailWhat items can be receivedMail NotificationsSecurityTroubleshooting AddressesUsing your USGM addressIssues & QuestionsAvailable addresses Plans & PricingChoosing a planCosts & discountsChanging your service plan Shipping & ReceivingPicking up MailWhere we shipManaging your shipmentsCosts and carriersIssues with shipmentsShipment restrictions Payment & BillingAccepted payment typesAbout billingManaging your payments CancellationClosing your accountPausing your account Partnership Frequently Asked Questions What address do I send the physical 1583 form to? Please send it to: Attn: Activations 1321 Upland Drive Houston, TX 77043