Area code 670
NN, United States · 35 prefixes · 3 exchanges · 3 carriers
Largest exchanges
- Saipan31
- Tinian2
- Rota2
Largest carriers
- Micronesian Telecommunications Corporation15
- Pti Pacifica Inc.15
- Guam Wireless Telephone Company, LLC5
Most reported 670 numbers
No visitor reports yet in this area code.