Prefix 637 in Mexico
Data for prefix 637 as published in Mexico'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
- Altar/Caborca, SON
- Example format
- +52 637 XXX XXXX
Indexed numbers
No indexed numbers for this prefix yet.