Mangilao, Guam

The area code 671 is the local telephone area code of the United States territory of Guam. It was created with the beginning of permissive dialing on July 1, 1997, replacing Guam's previous International Telecommunication Union country code 671 at the end of permissive dialing on July 1, 1998.

The An-Noor Mosque is a mosque in Mangilao, Guam.

The Japanese School of Guam (グアム日本人学校, Guamu Nihonjin Gakkō) is a Japanese international school in Mangilao, Guam. It includes both day school and weekend supplementary school divisions, and the school also holds Japanese language classes. As of April 2013 Toyohito Yoneyama is the chairperson of the school.

George Washington High School is a public secondary school located at 298 Washington Drive in Mangilao, in the United States territory of Guam. The school, a part of the Guam Department of Education (formerly Guam Public School System), opened in 1965 and serves grades 9 through 12. As of 2014 the school serves the villages of Mangilao, Agana Heights, Chalan Pago-Ordot, and Sinajana. At the start of this school year, students residing in the villages of Barrigada and Mongmong-Toto-Maite are required to attend Tiyan High School. The U.S. Census Bureau puts the school into the University of Guam census-designated place.

University of Guam (Chamorro: Unibetsedåt Guåhan) (U.O.G.) is a public land-grant university in Mangilao, Guam. It is accredited by the Western Association of Schools and Colleges and offers thirty-four degree programs at the undergraduate level and eleven at the master's level. Of the university's 3,387 students, 94% are of Asian-Pacific Islander ethnicity and nearly 72% are full-time (fall 2012 figures). A full-time faculty of about 180 work at the university.

Barrigada (Chamorro: Barigåda) is a village in the United States territory of Guam. A largely residential municipality, its main village is located south of the Antonio B. Won Pat International Airport near the intersections of Routes 8, 10, and 16. The community east of the airport known as Barrigada Heights is considered an affluent neighborhood on the island, where homes have excellent views overlooking much of Guam including the island's airport and hotels along Tumon Bay. Another significant location is Mount Barrigada, nearly 200 meters above sea level. Its location in the center of the island means it houses most of the island's radio masts and towers; the position and height make it easier for radio signals to reach the entire island.

The Guzman Water Catchment is a historic private water supply structure in the rural Nalao area of the village of Barrigada in the United States territory of Guam. It is a roughly rectangular structure, measuring 4.4 by 2.84 by 1.52 metres (14.4 ft × 9.3 ft × 5.0 ft), with an open top. It is fashioned out of locally gathered stone joined with lime-cement mortar. It was built in 1910 by Baldobino Charfauros on family-owned land, and is one of the oldest surviving rural catchment basins on the island. It is further distinguished from other catchment basins in that it has a substantial floor. These types of structures made it possible for Guamanian families to live on rural holdings where water access was otherwise a significant problem. The structure was listed on the National Register of Historic Places in 1994.

The Canada Water Wells, near jct. of Canada-Toto Rd.& Canada -Toto Loop Barrigada-Mangilao, GU, are water works that were built in 1937. They have also been known as Kanada, as Chochugu' and as To'tu. The structures were listed on the National Register of Historic Places in 2008; the listing included two contributing structures. A U.S. Geological Survey report in 2003 described the water of Guam, including identifying that there are approximately 180 water wells serving the needs of Guam, drawing on a lens-shaped aquifer.

Guam is a U.S. territory in the western Pacific Ocean, at the boundary of the Philippine Sea. It is the southernmost and largest member of the Mariana Islands archipelago, which is itself the northernmost group of islands in Micronesia. The closest political entity is the Commonwealth of the Northern Mariana Islands (CNMI), another U.S. territory. Guam shares maritime boundaries with CNMI to the north and the Federated States of Micronesia to the south. It is located approximately one quarter of the way from the Philippines to Hawaii. Its location and size make it strategically important. It is the only island with both a protected harbor and land for multiple airports between Asia and Hawaii, on an east–west axis, and between Papua New Guinea and Japan, on a north–south axis. The island is a result of the volcanic activity created by subduction of the Pacific Plate under the Philippine Sea Plate at the nearby Mariana Trench, which runs from the east of Guam to the southwest. Volcanic eruptions established the base of the island in the Eocene, roughly 56 to 33.9 million years ago (mya). The north of Guam is a result of this base being covered with layers of coral reef, turning into limestone, and then being thrust by tectonic activity to create a plateau. The rugged south of the island is a result of more recent volcanic activity. Cocos Island off the southern tip of Guam is the largest of the many small islets along the coastline. Politically, Guam is divided into 19 villages. The majority of the population lives on the coralline limestone plateaus of the north, with political and economic activity centered in the central and northern regions. The rugged geography of the south largely limits settlement to rural coastal areas. The western coast is leeward of the trade winds and is the location of Apra Harbor, the capitol Hagåtña, and the tourist center of Tumon. The U.S. Defense Department owns about 29% of the island, under the management of Joint Region Marianas.

Harvest Christian Academy (HCA) is a private Christian school in Barrigada, Guam. The school offers open enrollment for grades K3-12. HCA is administrated by and closely associated with Harvest Baptist Church (HBC). HBC was started in 1975 as a missionary church. The school was started the same year for the children of the congregation members. Over the years, the school's enrollment was opened to the community of Guam and now enrolls nearly 1,000 students each year in K3-12th grade. Harvest Ministries, Guam now also owns and operates KHMG radio station. The campus is spread out on 12 acres (49,000 m2) consisting of classrooms for kindergarten, elementary, junior and senior high. HCA also offers two computer labs, science lab, and library to their students. The school has an outdoor basketball court, soccer field, art room and piano lab for extracurricular activities. Also available to the school and public is a bookstore and cafe. In April 2009, the Family Life Center, also known as the FLC, was added to Harvest's list of buildings. This is the main site of Harvest's wrestling and American football games for the junior high and high school. Harvest's middle school soccer team has won the championship four times in a row, while the high school team has won it once. Harvest's sports' teams are called the HCA Eagles and Lady Hawks.

Tiyan High School (THS) is a senior high school in Barrigada, Guam. It is a part of the Guam Department of Education. It was scheduled to take students from Adelup, Anigua, Barrigada, Barrigada Heights, Hagåtña, Las Palmas, Macheche, Maina, Maite, Mogfog, Mongmong, Tiyan, and Toto. The school opened in August 2014. About 1,400 students were scheduled to attend the school on opening day. It opened with a practice gymnasium. Construction on the school's full-size gymnasium began in 2015. The full-size gym is being built for $14.4 million, or $576,218.61 each year for 25 years. Rocky Daleno of VIBE, the youth section of the Pacific Daily News, described the pupils as having "a good feeling" about the school.

Chalan Pago-Ordot (Chamorro: Chålan Pågu-Otdot) is a village in the United States territory of Guam, containing the communities of Chalan Pago and Ordot. It is located in the eastern-central part of the island and is part of the Kattan (Eastern) District. The village's population has increased slightly since the island's 2010 census.