USPS delivery enquiries are handled by Parcelforce Worldwide on UK contact number 0843 504 7172 (for £0.07/minute plus access charge) or 0344 800 4466 – these helplines covers shipments, tracking and customer service issues.
To send an enquiry, feedback or complaint about a package delivery to USPS customer care by means other than the phone, try email. You can email USPS customer services on email@example.com.
USPS (the US Postal Service) arranges millions of parcel and letter deliveries every single month, with many inbound from, and outbound to, the UK. Their shipments are handled by Parcelforce in the UK, who receive the parcels and use their own tracking system to keep everything monitored.