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Texas Area Codes

Texas Area Code Chronology

1947 4 area codes
214 – Northeast Texas
512 – Central and South Texas
713 – Southeast Texas
915 – West Texas
1953 5 area codes
817 – a geographic split of the Fort Worth region from 214
1962 6 area codes
806 – a geographic split of the Amarillo/Lubbock region from 915
1983 7 area codes
409 – a geographic split from 713
1990 8 area codes
903 – a geographic split of the Longview region from 214
1992 9 area codes
210 – a geographic split of San Antonio from 512
1996 11 area codes
972 – a geographic split of the 214 area code serving the Dallas region
281 – a geographic split of the 713 area code serving the Houston region
1997 15 area codes
254 and 940 – a three-way geographic split of 817
830 and 956 – a three-way split of 210 with San Antonio retaining that area code
1998 15 area codes
The geographic boundary between 214 and 972 in Dallas is erased, creating the first overlay in Texas. Ten-digit dialing is required for local calls in that region.
1999 18 area codes
The geographic boundary between 713 and 281 in Houston is erased, creating an overlay and requiring ten-digit dialing for local calls in that region.
832 – an overlay added as the third Houston area code
361 – a geographic split of 512 creates a new area code for the Corpus Christi region
469 – an overlay added as the third Dallas area code
2000 21 area codes
979 and 936 - a three-way split of 409 with Beaumont retaining that area code
682 – an overlay added to 817 for Fort Worth and part of Northeast Texas
2001 21 area codes
Due to number reclamation, number pooling, and other number conservation measures, no new area codes become operational.
2002 21 area codes
Due to number reclamation, number pooling, and other number conservation measures, no new area codes become operational
2003 24 area codes
430 - an overlay is announced for 903. It became operational in April, 2003
432 and 325 – a three-way split of 915 with El Paso retaining that area code. The new codes became operational in April, 2003