Duplicate numbers in your UK WhatsApp list waste resources, annoy subscribers, and skew analytics. Deduplication is a critical hygiene step. Use CRM tools or dedicated software to scan and merge records based on phone number. Process lists before import and schedule regular clean-ups. For merged contacts, preserve the earliest opt-in date and full interaction history. This ensures eff... https://www.b2cdatabase.co/uk-whatsapp-number-list/