telephone numbering plan that specifies groups of area codes for the following regions: Telephone numbers in Mexico "Telephone numbering plan" (PDF). International...

Sinaloa, and Sonora. The country code of Mexico is 52. For other areas, see Area codes in Mexico by code. [1] "International Calling Tip Sheet". Federal...

range of area codes in Mexico is reserved for the states of Colima, Jalisco, Michoacán, Nayarit, and Zacatecas. The country code of Mexico is 52. For...

range of area codes in Mexico serve the country's three largest cities. Area code 33 serves the Metropolitan area of Guadalajara, Jalisco, area code 55 and...

Veracruz, and Zacatecas. The country code of Mexico is 52. For other areas, see Area codes in Mexico by code. "International Calling Tip Sheet". Federal...

Puebla, Tlaxcala, and Veracruz. The country code of Mexico is 52. For other areas, see Area codes in Mexico by code. "International Calling Tip Sheet". Federal...

California. It was assigned in 2004 to a new numbering plan area (NPA) that was created by an area code split of area code 909. In 1947, when the American...

Tamaulipas, and Veracruz. The country code of Mexico is 52. For other areas, see Area codes in Mexico by code. "International Calling Tip Sheet". Federal...

Veracruz, and Yucatán. The country code of Mexico is 52. For other areas, see Area codes in Mexico by code. "International Calling Tip Sheet". Federal...

Area code 239 is a telephone area code in the North American Numbering Plan (NANP) for a part of Southwestern Florida. The numbering plan area (NPA) includes...

Huntington Park. Area code 213 was one of the original North American area codes of 1947 and 323 was created in an area code split of 213 in 1998. This was...

range of area codes in Mexico is reserved for the states of Puebla, Tlaxcala, Oaxaca, and Veracruz. The country code of Mexico is 52. For other areas, see...

with area code 575. The area code has been the last area code in the United States introduced by an area code split. All new area codes added in the U...

Area codes 714 and 657 are telephone area codes in the North American Numbering Plan (NANP) for the southern part of the U.S. state of California. The...

for Houston, Texas, and its environs. Area code 713 is one of the original four area codes established for Texas in 1947. When the concept of the North...

geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits...

Area code 505 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of New Mexico. Its numbering plan area (NPA) comprises...

area codes in Mexico is reserved for the states of Mexico and Hidalgo. The country code of Mexico is 52. For other areas, see Area codes in Mexico by...

North American area codes created in 1947, and originally served all of Louisiana. Established in 1947, area code 504 was the sole area code allocated to...

carrier in the state, requested a second area code for Arizona in 1988. BellCore, which at the time administered the assignment of area codes, denied...

original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916...

area codes in 1947. The numbering plan area retains its original boundaries, having never been split or overlaid. As of April 2025[update], area code...

Area code 956 is a telephone area code in the North American Numbering Plan for the Lower and Middle Rio Grande Valley regions in the U.S. state of Texas...

Diego County. In 2019, the area code boundary between 619 and 858 was eliminated, creating an overlay complex with the two area codes. When the American...

North American area codes, which were established in 1947. Area code 401 is not projected to exhaust its supply of vacant central office codes until 2055...

Area codes 512 and 737 are North American telephone area codes serving Austin, Texas, and its suburbs. Counties currently served by these area codes include...

Area codes 909 and 840 are telephone area codes in the North American Numbering Plan for the far-eastern part of Los Angeles County, southwestern San Bernardino...

Area codes 760 and 442 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. These area codes serve an...

Area codes 850 and 448 are telephone area codes in the North American Numbering Plan for the Florida panhandle, including Pensacola, Tallahassee and Panama...

eight-digit numbers in the northwest. AT&T withdrew 903 from use and reassigned the area with area code 706, as one of two area codes (903 and 905) for...