Roamify does provide an eSIM plan for Zambia that includes a phone number and SMS functionality. The plan, named “Zambia eSIM 10 GB, 30 days, ” costs $35.00 USD and offers 10 GB of high‑speed data for 30 days. The phone number comes with dialing code +33, allowing both inbound and outbound calls as well as inbound and outbound SMS. If these features are essential for your trip, you may want to confirm the exact dialing code and any local usage restrictions directly with Roamify before purchasing.