NPA - 670 (Northern Mariana Islands)
The 670 area code is part of geographic numbering plan area that includes Northern Mariana Islands.
There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.
Northern Mariana Islands
The Northern Mariana Islands are an easy warm-weather escape northeast of Guam. Commonly know as the Commonwealth of the Northern Mariana Islands an insular area and commonwealth of the United States consisting of 14 islands in the northwestern Pacific Ocean.
In 1947 the islands became part of the US strategic Trust Territory of the Pacific Islands (TTPI), but in 1975, 78 per cent of the population voted to become a Commonwealth of the United States.
The most popular islands are Saipan, Tinian, and Rota. Saipan, the largest of the Northern Mariana Islands, has an area of 115.4 square kilometers. The southern islands are limestone, with level terraces and fringing coral reefs. The northern islands are volcanic, with active volcanoes on several islands, including Anatahan, Pagan, and Agrihan. The volcano on Agrihan, Mount Agrihan, has the highest elevation at 3,166 feet (965 m).
Historically, the CNMI's economy has relied on tourism, mostly from Japan, and on the garment manufacturing sector. But tourism declined after 2005 when Japan Airlines stopped serving the Marianas. Because the island’s location they played a significant part in World War II, having been tussled over by the US and Japan. History buffs will find the Northern Mariana Islands a trove of exceptionally preserved World War II buildings and posts, including a Japanese lighthouse, bunkers, jails and an abandoned airfield.
Now Northern Mariana’s resorts and country clubs are more than just sleek beach fixtures; they are gateways to the territory’s vibrant outdoor life and urban spirit. Resorts arrange hikes to hidden villages, banana boat rides and cliff fishing. Take a windsurfing tour or tee off at one of the golf courses.