Prefix 21 in Cuba
Data for prefix 21 as published in Cuba's official numbering plan — the original allocation, not any specific number's current carrier, since numbers can be ported.
- Carrier (original allocation)
- —
- Line type
- Landline
- Region
- Guantánamo Province
- Example format
- +53 21 XXXXXX
Indexed numbers
No indexed numbers for this prefix yet.