Area Code 430
Texas
Area code 430 serves Texas, primarily Tyler, in the Central Time (CT) time zone. It is an overlay area code sharing territory with area code 903.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 903 (Tyler).
In service since: 15-Feb-2003
Demographics & Economics
- Total Population
- 6,628,240
- Population Density
- 938 people/sq miabove U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $81,905near U.S. median (U.S.: $75,144)
- Poverty Rate
- 10.3%below U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 4.5%above U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+40.8%above U.S. average (U.S.: 33.7%)High School or Lower27.0%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the Statistics dashboard.
Time Zone
- Central Time (CT)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
Geographic Coverage
State
TX
Major Cities
- Tyler
- Longview
- Sherman
- Texarkana
- Greenville
- Denison
- Corsicana
- Paris
- Marshall
- Palestine
- Sulphur Springs
- Mount Pleasant
- Jacksonville
- Kilgore
- Henderson
- Athens
- Bonham
- Commerce
- Whitehouse
- Liberty
- Carthage
- Lindale
- Gladewater
- White Oak
and 188 more cities
Historical Timeline of Area Code 430
Two significant numbering events shaped the northeast Texas telephone landscape over a 13-year span. In 1990, the Federal Communications Commission authorized a split of the 214 NPA, separating Dallas from the surrounding region and creating area code 903 to serve communities from Texarkana to Tyler. Source: Wikipedia
By the early 2000s, the 903 NPA was approaching exhaustion. The Texas Public Utility Commission petitioned for relief, and on February 15, 2003, the FCC approved 430 as an overlay code covering the entire 903 service area. The overlay allowed existing subscribers to keep their numbers while new assignments used either prefix. Source: Texas PUC
Key milestones:
- 1990: Area code 903 created from a split of area code 214, serving northeastern Texas communities including Tyler, Longview, Sherman, and Texarkana
- 2003: Area code 430 activated as an overlay of area code 903 on February 15, covering the same geographic region across more than 30 counties.
The overlay model avoided the disruption of a geographic split, meaning existing 903 subscribers retained their numbers without change. Both codes now serve the region simultaneously, with ten-digit dialing required for all local calls.
Regulatory History
Area code 430 emerged from two primary regulatory actions spanning 13 years, both handled through the Texas Public Utility Commission's delegated authority from the FCC. Source: Texas PUC
| Year | Event | Docket | Regulatory Action & Impact |
|---|---|---|---|
| 1990 | NPA Split | NANPA | Split of area code 214 created 903 for northeastern Texas. PUC petition citing exhaustion of 214 prefixes due to Dallas metro growth. The split separated urban Dallas from the rural and mid-sized city regions to the northeast. |
| 2003 | Overlay Approval | FCC Numbering Order | FCC approved 430 as an overlay of area code 903 under the PUC's petition. The overlay covered the same geographic area as 903, allowing new number assignments without requiring existing subscribers to change their numbers. Ten-digit dialing became mandatory throughout the region. |
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 430).
| County | Population | Share |
|---|---|---|
| Smith, TX | 315,520 | 13.4% |
| Gregg, TX | 163,333 | 6.9% |
| Upshur, TX | 152,768 | 6.5% |
| Harrison, TX | 139,504 | 5.9% |
| Grayson, TX | 137,054 | 5.8% |
| Henderson, TX | 128,365 | 5.4% |
| Hunt, TX | 117,580 | 5.0% |
| Van Zandt, TX | 97,913 | 4.1% |
| Bowie, TX | 94,317 | 4.0% |
| Anderson, TX | 85,077 | 3.6% |
| Rusk, TX | 84,368 | 3.6% |
| Cherokee, TX | 72,008 | 3.0% |
| Kaufman, TX | 71,378 | 3.0% |
| Wood, TX | 68,949 | 2.9% |
| Hopkins, TX | 66,493 | 2.8% |
| Panola, TX | 62,853 | 2.7% |
| Lamar, TX | 55,958 | 2.4% |
| Navarro, TX | 53,278 | 2.3% |
| Franklin, TX | 48,832 | 2.1% |
| Fannin, TX | 47,709 | 2.0% |
| Titus, TX | 46,682 | 2.0% |
| Cass, TX | 44,370 | 1.9% |
| Morris, TX | 32,632 | 1.4% |
| Marion, TX | 25,734 | 1.1% |
| Rains, TX | 23,706 | 1.0% |
| Red River, TX | 21,356 | 0.9% |
| Collin, TX | 20,828 | 0.9% |
| Freestone, TX | 17,097 | 0.7% |
| Delta, TX | 16,826 | 0.7% |
| Leon, TX | 16,477 | 0.7% |
| Camp, TX | 14,923 | 0.6% |
| Houston, TX | 6,577 | 0.3% |
| Cooke, TX | 3,604 | 0.2% |
| Ellis, TX | 3,313 | 0.1% |
| Limestone, TX | 2,561 | 0.1% |
| Shelby, TX | 2,072 | 0.1% |
| Miller, AR | 1,110 | 0.0% |
| Hill, TX | 245 | 0.0% |
Area Code 430 Family Tree
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Area code 430 was originally assigned in 15-Feb-2003 to serve TX.
Call Context
This area code spans a mix of urban centers and rural communities across TX, with Tyler as a primary city.
Nearby Area Codes
Area codes geographically closest to 430.
Other Area Codes in Texas
Area codes that also serve Texas, linked for easy comparison.