paragraph_text: Area code 780 is a telephone area code in the province of Alberta, encompassing the northern two - thirds of the province, including the Edmonton area. The code was established in 1999; prior to this date the entire province was served by the 403 area code. The 780 phone code started use on January 25, 1999. Permissive dialing of 403 continued throughout Alberta until May 18, 1999. Area code 780 is also the last new area code in Canada introduced by a split.

paragraph_text: El Paso, Texas City City of El Paso From upper left: The Cathedral of Saint Patrick, star on the Franklin Mountains, North Franklin Peak, downtown El Paso skyline, Wyler Aerial Tramway, Ysleta Mission Flag Seal Nickname (s): The Sun City, El Chuco Location in El Paso County and the state of Texas El Paso Location in the United States Coordinates: 31 ° 47 ′ 25 ''N 106 ° 25 ′ 24'' W ﻿ / ﻿ 31.79028 ° N 106.42333 ° W ﻿ / 31.79028; - 106.42333 Coordinates: 31 ° 47 ′ 25 ''N 106 ° 25 ′ 24'' W ﻿ / ﻿ 31.79028 ° N 106.42333 ° W ﻿ / 31.79028; - 106.42333 Country United States State Texas County El Paso Metropolitan area El Paso Founded 1680 Incorporated 1873 Government Type Council -- manager City Council Mayor Dee Margo (R) Peter Svarzbein Alexsandra Annello Cassandra Hernandez Sam Morgan Dr. Michiel Noe Claudia Ordaz Henry Rivera Cissy Lizarraga City manager Tommy Gonzalez Area City 256.3 sq mi (663.7 km) Land 255.3 sq mi (661.1 km) Water 1.0 sq mi (2.6 km) Elevation 3,740 ft (1,140 m) Population (2010) 649,133 Estimate (2015) 681,124 (US: 20th) Metro 838,972 (US: 68th) CSA 1,053,267 (US: 58th) Demonym (s) El Pasoan Time zone MST (UTC - 7) Summer (DST) MDT (UTC - 6) ZIP codes 79900 - 79999, 88500 - 88599 (PO Boxes) Area code (s) 915, 575 FIPS code 48 - 24000 GNIS feature ID 1380946 Primary Airport El Paso International Airport ELP (Major / International) Secondary Airport Biggs Army Airfield - KBIF (Military) Interstates U.S. Routes Website www.elpasotexas.gov

paragraph_text: ISO 3166-1 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines codes for the names of countries, dependent territories, and special areas of geographical interest. The official name of the standard is "Codes for the representation of names of countries and their subdivisions – Part 1: Country codes". It defines three sets of country codes:

paragraph_text: Area code 202 is the North American telephone area code for Washington, D.C.. The area code was one of the original area codes established in October 1947 by AT&T in the North American Numbering Plan (NANP).

paragraph_text: Area code 575 is an area code in the U.S. state of New Mexico. It serves the remainder of the state outside the Albuquerque, Santa Fe, Farmington, and Gallup metropolitan and micropolitan areas, which remain in area code 505. The new code became effective on October 7, 2007, splitting from area code 505.

paragraph_text: Rand is a town in the Riverina district of New South Wales, Australia. It is located in the Federation Council local government area. Based upon the , Rand had a population of 575.

paragraph_text: Taguaí is a municipality in the state of São Paulo in Brazil. The population is 12,586 (2015 est.) in an area of 145 km². The elevation is 575 m.

paragraph_text: Harbor Hills is a hamlet and census-designated place (CDP) and a part of Great Neck in Nassau County, New York, United States. The population was 575 at the 2010 census.

paragraph_text: Area code 207 is the North American telephone area code for the state of Maine, excluding Estcourt Station which uses Quebec province's overlay of 418 and 581.

paragraph_text: Wayland is an unincorporated community in western Paris Township, Portage County, Ohio, United States. It is located at latitude 41.161 and longitude -81.071, with an elevation of 948 feet. Although it is unincorporated, it has a post office, with the ZIP code of 44285. The community is part of the Akron Metropolitan Statistical Area.

paragraph_text: The Territory of New Mexico was an organized incorporated territory of the United States that existed (with varying boundaries) from September 9, 1850, until January 6, 1912, when the remaining extent of the territory was admitted to the Union as the State of New Mexico, making it the longest - lived organized incorporated territory of the United States, lasting approximately 62 years.

paragraph_text: North American Area code 740 is a telephone area code serving southeastern and central Ohio. (Columbus and rate centers in Franklin County use the 614 area code.) 740 is the area code in the Ohio cities of Athens, Belpre, Chillicothe, Circleville, Coshocton, Delaware, Gallipolis, Heath, Ironton, Jackson, Lancaster, Laurelville, Logan, Marietta, Marion, Mount Vernon, Nelsonville, Newark, Newcomerstown, Pataskala, Portsmouth, Rockbridge, Steubenville, Washington Court House, Zanesville, Shadyside and surrounding areas.

paragraph_text: Wilsondale is an unincorporated community located in southern Wayne County, West Virginia, United States. Wilsondale has a post office with ZIP code 25699; as of the 2000 Census, the population of this ZIP Code Tabulation Area was 74. It is a part of the Huntington-Ashland, WV-KY-OH, Metropolitan Statistical Area (MSA). As of the 2000 census, the MSA had a population of 288,649.

paragraph_text: Area codes 208 and 986 are the North American telephone area codes for all of Idaho. 208 is the main area code, and is one of the 86 original area codes created in 1947. It was Idaho's sole area code until 2017, when 986 was added as an overlay for the entire state.

paragraph_text: Gridino () is a village in Yegoryevsky District of Moscow Oblast, Russia, located on the Shuvoyka River (Guslitsa River's tributary), in the historical area of Guslitsa. Informally, the village is also known as Gridino-Shuvoye (). Municipally, the village is a part of Shuvoyskoye Rural Settlement (the administrative center of which is the settlement of Shuvoye). Postal code: 140301. Dialing code: +7 49640.

paragraph_text: Scroggsfield is an unincorporated community in Fox Township, Carroll County, Ohio, United States. The community is part of the Canton–Massillon Metropolitan Statistical Area. The community is served by the Carrollton, Ohio post office, ZIP code 44615. It is located near the source of Strawcamp Run, a tributary to Yellow Creek.

paragraph_text: ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical interest. They are the most widely used of the country codes published by ISO (the others being alpha-3 and numeric), and are used most prominently for the Internet's country code top-level domains (with a few exceptions). They are also used as country identifiers extending the postal code when appropriate within the international postal system for paper mail, and has replaced the previous one consisting one-letter codes. They were first included as part of the ISO 3166 standard in its first edition in 1974.

paragraph_text: Zinfandel (formerly, Bell Station and Pine Station) is a small unincorporated community in Napa County, California just south of the city of St. Helena in the North Bay region of the San Francisco Bay Area. It is part of the Wine Country. It is located at the intersection of the St. Helena Highway (State Route 29) and Zinfandel Lane and comprises about 14 square blocks, most of which are rural and residential in character. The ZIP Code is 94567. The community is inside area code 707.

paragraph_text: Wabeno is an unincorporated census-designated place located within the town of Wabeno, in Forest County, Wisconsin, United States. It is located on Wisconsin Highway 32 at the eastern terminus of Wisconsin Highway 52 within the Nicolet National Forest. As of the 2010 census, its population is 575.

paragraph_text: Saginaw is an unincorporated community 2.5 miles north of Calera in Shelby County, Alabama, United States with zip code 35137. It is part of the Birmingham-Hoover-Cullman Combined Statistical Area. It is located southeast of Alabaster on the east side of Interstate 65 at the intersection of State Route 70 and U.S. Route 31.

Question: When did the state assigned area code 575 become a part of the United States?
Answer: January 6, 1912