NN Area Codes
Data last updated: June 25, 2026
Area Codes in NN
| NPA | Major Cities | Status | Exchanges | Overlay |
|---|---|---|---|---|
| 670 | Susupe, Oleai, Tamuning | Active | 784 | No |
Top Carriers in NN
| Carrier | OCN | NXX Count |
|---|---|---|
| MICRONESIAN TELECOMMUNICATIONS CORPORATION | 3700 | 15 |
| PTI PACIFICA INC. | 387C | 15 |
| GUAM WIRELESS TELEPHONE COMPANY, LLC | 4974 | 5 |