The area code 430 is located in Longview, Texas.
Area code 430 serves Longview, Texas, and a wide stretch of Northeast Texas near the Arkansas and Louisiana borders. Centered along I-20, Longview sits between Dallas and Shreveport and anchors a region known for the East Texas Oil Field and pine forests. Area code 430 is an overlay of 903, added to provide more phone numbers for the fast-growing area. It follows the Central Time Zone and covers both landlines and mobile phones.
Stat: Area code 430 was introduced in 2003 as an overlay to 903. (Source: NANPA)
Area code 430 covers many East Texas communities, including:
This region features well-known landmarks and events, such as the Great Texas Balloon Race in Longview, the Tyler Rose Garden, Caddo Lake near Marshall, and Kilgore’s oil heritage sites.
Because 430 is an overlay, 10-digit dialing is required for local calls throughout the 430/903 area, as noted by the FCC. New phone numbers may receive a 430 prefix, while many long-time residents still use 903—both work in the same places. You’ll see 430 numbers on businesses, schools, and healthcare offices across East Texas. From Texarkana to Tyler and back to Longview, area code 430 connects a large, diverse part of the state with reliable, modern phone service.