Prefix 21 in Serbia
Data for prefix 21 as published in Serbia'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
- Novi Sad
- Example format
- +381 21 XXXXXX
Indexed numbers
No indexed numbers for this prefix yet.