Movistar prepaid SIMs available at El Prat Airport Terminal 1 arrivals (€15 for 1GB/7 days, €20 for 3GB/15 days). Better coverage in Barcelona metro tunnels compared to Orange or Vodafone networks.

Purchase location: Terminal 1 arrivals hall, near Aerobus A1 stop. Open 6am-11pm daily. Data speeds excellent throughout Barcelona center, Eixample, Gràcia neighborhoods. EU roaming included for day trips to Girona/Sitges.

Way cheaper than international roaming from most carriers. No appointment needed, just passport required for registration.