903
Covers northeast Texas
Split from area code 214
Overlay with 430
City facts
Tyler area codes
Area codes for northeast Texas: history, overlays and how to dial.
903430
Tyler uses area codes 903 and 430. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
430
Covers northeast Texas
In service since 2003
Overlay with 903
How to call a number in Tyler
Inside the US
1 (903) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(903) 555-0123Overlay area: always include the area code.From outside the US
+1 903 555 0123Use your country's exit code or +, then 1 for the US.Tyler is on Central Time (CT); check the time before calling from another zone.
Tyler quick facts
Tyler was founded on April 11, 1846 and incorporated on January 29, 1850. It is named for John Tyler.
Founded1846April 11, 1846
Incorporated1850January 29, 1850
CountySmith CountyTexas
Area codes903, 430Population107,718Census ACS estimateZIP codes475701, 75702, 75703…Elevation499 ft152 m
Time zoneCentral TimeCT
Dates, namesake and elevation from Wikipedia: Tyler, Texas and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Tyler?
Tyler uses area codes 903 and 430. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 430 start?
Area code 430 dates from 2003.
Do I need to dial the area code for local calls in Tyler?
Yes. 903 and 430 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 903 in?
Tyler is on Central Time (CT).
Sources: Area codes 903 and 430, Area codes 903 and 430 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.