David Wang
-Updated on June 26, 2026
What is the difference between an EMS, parcel, and registered Tanzania Post number?
EMS numbers start with "E" (often EE) and cover the fastest tracked express class. Parcel post numbers start with "C" (often CP) and cover heavier packages up to 30 kg. Registered mail numbers start with "R" (such as RR or RF) and cover signature-on-delivery letters and small packets. All three use the 13-character S10 format ending in "TZ".
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