Area codes 903 and 430 are telephone
area code
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...
s in the
North American Numbering Plan
The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...
(NANP) for the northeastern part of the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...
of
Texas
Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
, including
Kilgore,
Texarkana
The Texarkana metropolitan statistical area (MSA), as defined by the United States Office of Management and Budget, is a two-county region anchored by the Twin cities (geographical proximity), twin cities of Texarkana, Texas (population 37,33 ...
,
Tyler, and
Sherman. The numbering plan area begins just north and east of the
Dallas–Fort Worth metroplex
The Dallas–Fort Worth metroplex, officially designated Dallas–Fort Worth–Arlington by the U.S. Office of Management and Budget, is the most populous metropolitan statistical area in the U.S. state of Texas and the Southern United States, ...
, and extends to the Oklahoma, Arkansas, and Louisiana state borders. Area code 903 was created November 4, 1990 in a split of
area code 214. Area code 430 was assigned to the same service area on February 15, 2003 in creation of an
overlay. Before October 18, 1980, area code 903 was assigned to an area in northwestern Mexico.
History
From 1962 until October 18, 1980, area code 903 was an area code for parts of northwestern
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
served by Telefónica Fronteriza (TF), which homed on AT&T lines in the United States rather than Telefonos de Mexico (
Telmex
Teléfonos de México, S.A.B. de C.V., known as Telmex is a Mexican telecommunications company headquartered in Mexico City that provides telecommunications products and services in Mexico. In 2014, Telmex was the dominant fixed-line phone carri ...
). Telmex and the Mexican government forcibly acquired the TF exchanges and, in 1980, Telmex reorganized the numbering plan of the country, using the digit 6 to start 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 alternative dialing into certain parts of Mexico from the United States.
Service area
Counties served by the area codes:
:
Anderson,
Bowie,
Camp,
Cass
Cass may refer to:
People and fictional characters
* Cass (surname), a list of people
* Cass (given name), a list of people and fictional characters
* Big Cass, ring name of wrestler William Morrissey
* Cass, in British band Skunk Anansie
* Cass, ...
,
Cherokee
The Cherokee (; , or ) people are one of the Indigenous peoples of the Southeastern Woodlands of the United States. Prior to the 18th century, they were concentrated in their homelands, in towns along river valleys of what is now southwestern ...
,
Delta
Delta commonly refers to:
* Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet
* D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet
* River delta, at a river mouth
* Delta Air Lines, a major US carrier ...
,
Fannin,
Franklin,
Freestone,
Grayson,
Gregg,
Harrison,
Henderson,
Hill
A hill is a landform that extends above the surrounding terrain. It often has a distinct summit, and is usually applied to peaks which are above elevation compared to the relative landmass, though not as prominent as Mountain, mountains. Hills ...
,
Hopkins,
Hunt
Hunting is the Human activity, human practice of seeking, pursuing, capturing, and killing wildlife or feral animals. The most common reasons for humans to hunt are to obtain the animal's body for meat and useful animal products (fur/hide (sk ...
,
Kaufman,
Lamar,
Leon,
Madison,
Marion,
Morris,
Navarro,
Panola,
Rains,
Red River,
Rusk
A rusk is a hard, dry Biscuit#Biscuits in British usage, biscuit or a twice-baked bread. It is sometimes used as a teether for babies. In some cultures, rusk is made of cake rather than bread: this is sometimes referred to as cake rusk. In the ...
,
Smith,
Titus
Titus Caesar Vespasianus ( ; 30 December 39 – 13 September AD 81) was Roman emperor from 79 to 81. A member of the Flavian dynasty, Titus succeeded his father Vespasian upon his death, becoming the first Roman emperor ever to succeed h ...
,
Upshur,
Van Zandt Van Zandt, van Zandt or Vanzandt, is a surname of Dutch language, Dutch origin.
van (Dutch), Van Zandt or its variants may refer to:
People
*Van Zandt Williams (1916–1966), President of the Optical Society of America and Director of the Americ ...
, and
Wood
Wood is a structural tissue/material found as xylem in the stems and roots of trees and other woody plants. It is an organic materiala natural composite of cellulosic fibers that are strong in tension and embedded in a matrix of lignin t ...
Towns and cities served by the overlay:
:
Alba
''Alba'' ( , ) is the Scottish Gaelic name for Scotland. It is also, in English-language historiography, used to refer to the polity of Picts and Scots united in the ninth century as the Kingdom of Alba, until it developed into the Kingd ...
,
Annona,
Arp,
Arthur City,
Athens
Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southe ...
,
Atlanta
Atlanta ( ) is the List of capitals in the United States, capital and List of municipalities in Georgia (U.S. state), most populous city in the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georg ...
,
Avery,
Avinger,
Bagwell,
Bailey,
Barry,
Beckville,
Bells,
Ben Franklin,
Ben Wheeler,
Big Sandy,
Bivins,
Bloomburg,
Blooming Grove,
Blossom
In botany, blossoms are the flowers of stone fruit trees (genus ''Prunus'') and of some other plants with a similar appearance that flower profusely for a period of time in spring.
Colloquially, flowers of orange are referred to as such as w ...
,
Bogata,
Bonham,
Brashear,
Brookston,
Buffalo,
Bullard,
Caddo Mills,
Campbell,
Canton,
Carthage
Carthage was an ancient city in Northern Africa, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classic ...
,
Cason,
Cayuga,
Celeste,
Centerville,
Chatfield,
Chicota,
Clarksville,
Clayton,
Coffee City,
Collinsville,
Commerce
Commerce is the organized Complex system, system of activities, functions, procedures and institutions that directly or indirectly contribute to the smooth, unhindered large-scale exchange (distribution through Financial transaction, transactiona ...
,
Como
Como (, ; , or ; ) is a city and (municipality) in Lombardy, Italy. It is the administrative capital of the Province of Como. Nestled at the southwestern branch of the picturesque Lake Como, the city is a renowned tourist destination, ce ...
,
Cookville,
Cooper,
Corsicana,
Cumby,
Cuney,
Cunningham,
Daingerfield,
De Berry,
De Kalb,
Denison,
Deport,
Detroit
Detroit ( , ) is the List of municipalities in Michigan, most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from Windsor, Ontario. It had a population of 639,111 at the 2020 United State ...
,
Dew
Dew is water in the form of droplets that appears on thin, exposed objects in the morning or evening due to condensation.
As the exposed surface cools by thermal radiation, radiating its heat, atmospheric moisture condenses at a rate grea ...
,
Diana,
Dike,
Dodd City,
Douglassville,
Easton,
Ector,
Edgewood,
Edom
Edom (; Edomite language, Edomite: ; , lit.: "red"; Akkadian language, Akkadian: , ; Egyptian language, Ancient Egyptian: ) was an ancient kingdom that stretched across areas in the south of present-day Jordan and Israel. Edom and the Edomi ...
,
Elkhart,
Elysian Fields,
Emory,
Enloe,
Eustace
Eustace ( ) is the rendition in English of two phonetically similar Greek given names:
*Εὔσταχυς (''Eústachys'') meaning "fruitful", "fecund"; literally "abundant in grain"; its Latin equivalents are ''Fæcundus/Fecundus''
*Εὐστά ...
,
Fairfield,
Flint
Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Historically, flint was widely used to make stone tools and start ...
,
Frankston,
Frost
Frost is a thin layer of ice on a solid surface, which forms from water vapor that deposits onto a freezing surface. Frost forms when the air contains more water vapor than it can normally hold at a specific temperature. The process is simila ...
,
Fruitvale,
Gallatin,
Gary City,
Gilmer,
Gober,
Golden,
Gordonville,
Grand Saline,
Greenville,
Gunter,
Hawkins,
Henderson,
Honey Grove,
Hooks,
Howe,
Ivanhoe
''Ivanhoe: A Romance'' ( ) by Walter Scott is a historical novel published in three volumes, in December 1819, as one of the Waverley novels. It marked a shift away from Scott's prior practice of setting stories in Scotland and in the more ...
,
Jacksonville
Jacksonville ( ) is the most populous city proper in the U.S. state of Florida, located on the Atlantic coast of North Florida, northeastern Florida. It is the county seat of Duval County, Florida, Duval County, with which the City of Jacksonv ...
,
Jefferson,
Jewett,
Joinerville,
Jonesville,
Judson,
Karnack,
Kemp,
Kildare
Kildare () is a town in County Kildare, Ireland. , its population was 10,302, making it the 7th largest town in County Kildare. It is home to Kildare Cathedral, historically the site of an important abbey said to have been founded by Saint ...
,
Kilgore,
Kirvin,
Klondike,
Ladonia,
Laird Hill,
Lake Creek,
Laneville,
Larue,
Leesburg,
Leona,
Leonard
Leonard or ''Leo'' is a common English language, English masculine given name and a surname.
The given name and surname originate from the Old High German ''Leonhard'' containing the prefix ''levon'' ("lion") from the Greek wikt:Λέων#Greek, Λ ...
,
Lindale,
Linden,
Lodi,
Lone Oak,
Lone Star,
Long Branch,
Longview,
Mabank,
Marietta,
Marquez,
Marshall
Marshall may refer to:
Places
Australia
*Marshall, Victoria, a suburb of Geelong, Victoria
** Marshall railway station
Canada
* Marshall, Saskatchewan
* The Marshall, a mountain in British Columbia
Liberia
* Marshall, Liberia
Marshall Is ...
,
Maud,
Maydelle,
McLeod,
Merit,
Mertens,
Midway,
Minden
Minden () is a middle-sized town in the very north-east of North Rhine-Westphalia, Germany, the largest town in population between Bielefeld and Hanover. It is the capital of the district () of Minden-Lübbecke, situated in the cultural region ...
,
Mineola,
Mount Enterprise,
Mount Pleasant,
Mount Vernon
Mount Vernon is the former residence and plantation of George Washington, a Founding Father, commander of the Continental Army in the Revolutionary War, and the first president of the United States, and his wife, Martha. An American landmar ...
,
Naples
Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
,
Nash,
Neches,
New Boston,
New London,
New Summerfield,
Oakwood,
Omaha
Omaha ( ) is the List of cities in Nebraska, most populous city in the U.S. state of Nebraska. It is located in the Midwestern United States along the Missouri River, about north of the mouth of the Platte River. The nation's List of United S ...
,
Ore City,
Overton,
Palestine
Palestine, officially the State of Palestine, is a country in West Asia. Recognized by International recognition of Palestine, 147 of the UN's 193 member states, it encompasses the Israeli-occupied West Bank, including East Jerusalem, and th ...
,
Panola,
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
,
Pattonville,
Pecan Gap,
Petty,
Pickton,
Pittsburg,
Point,
Pottsboro,
Powderly,
Powell,
Poynor,
Price
A price is the (usually not negative) quantity of payment or compensation expected, required, or given by one party to another in return for goods or services. In some situations, especially when the product is a service rather than a ph ...
,
Purdon,
Queen City,
Quinlan,
Quitman,
Randolph,
Ravenna
Ravenna ( ; , also ; ) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire during the 5th century until its Fall of Rome, collapse in 476, after which ...
,
Redwater,
Rice
Rice is a cereal grain and in its Domestication, domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species ''Oryza sativa'' (Asian rice)—or, much l ...
,
Richland,
Roxton,
Sadler,
Saltillo
Saltillo () is the capital and largest city of the northeastern Mexican state of Coahuila and is also the municipal seat of the municipality of the same name. Mexico City, Monterrey, and Saltillo are all connected by a major railroad and high ...
,
Savoy
Savoy (; ) is a cultural-historical region in the Western Alps. Situated on the cultural boundary between Occitania and Piedmont, the area extends from Lake Geneva in the north to the Dauphiné in the south and west and to the Aosta Vall ...
,
Scottsville,
Scroggins,
Selman City,
Sherman,
Simms,
Southmayd,
Streetman,
Sulphur Bluff,
Sulphur Springs,
Sumner
Sumner may refer to:
Places Antarctica
* Mount Sumner, a mountain in the Rare Range, Antarctica
* Sumner Glacier, southern Graham Land, Antarctica
Australia
* Sumner, Queensland, a suburb of Brisbane
New Zealand
* Sumner, New Zealand, a seasi ...
,
Talco,
Tatum,
Telephone
A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...
,
Tennessee Colony,
Texarkana
The Texarkana metropolitan statistical area (MSA), as defined by the United States Office of Management and Budget, is a two-county region anchored by the Twin cities (geographical proximity), twin cities of Texarkana, Texas (population 37,33 ...
,
Tom Bean,
Trenton,
Tyler,
Union Valley,
Van Alstyne,
Van,
Waskom,
White Oak
''Quercus'' subgenus ''Quercus'' is one of the two subgenera into which the genus ''Quercus'' was divided in a 2017 classification (the other being subgenus ''Cerris''). It contains about 190 species divided among five sections. It may be calle ...
,
Whitehouse Whitehouse may refer to:
People
* Charles S. Whitehouse (1921–2001), American diplomat
* Cornelius Whitehouse (1796–1883), English engineer and inventor
* E. Sheldon Whitehouse (1883–1965), American diplomat
* Elliott Whitehouse (born ...
,
Whitesboro,
Whitewright,
Windom,
Winfield,
Winona,
Wolfe City,
Woodlawn, and
Yantis
See also
*
List of Texas area codes
References
{{DEFAULTSORT:903
Kilgore, Texas
East Texas
Area codes in the United States
Area codes in Texas