Area Code 670 - Northern Mariana Islands
Cities: Saipan
- (670) 235 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 236 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 237 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 256 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 285 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 286 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 287 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 288 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 321 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 322 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 323 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 328 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 433 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 483 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 484 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 488 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 555 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 588 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 664 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 682 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 788 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 789 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 838 - NORTHERN MARIANA ISLANDS - 1 complaint
- (670) 989 - NORTHERN MARIANA ISLANDS - 1 complaint