Transportation and Communication
The islands have over 220 miles (350 km) of highways, three airports with paved runways (one about 9,800 feet long; two around 6,600 feet ), three airports with unpaved runways, and one heliport.
Mail service for the islands is provided by the U.S. Postal Service (USPS). Each major island has its own zip code in the 96950-96952 range, and the USPS two-letter abbreviation for the CNMI is "MP". For phone service, the islands are included in the North American Numbering Plan, using area code 670.
Television service is provided by KPPI-LP, Channel 7, which simulcasts Guam's ABC affiliate KTGM, as well as WSZE, Channel 10, which simulcasts Guam's NBC affiliate KUAM-TV. About 10 radio stations broadcast within the CNMI.
Read more about this topic: Northern Mariana Islands