County list of Texas State
| 210 Area Code | |
|---|---|
| Atascosa Area Codes | Bexar Area Codes |
| 214 Area Code |
|---|
| Dallas Area Codes |
| 281 Area Code | ||
|---|---|---|
| Brazoria Area Codes | Fort Bend Area Codes | Galveston Area Codes |
| Harris Area Codes | Liberty Area Codes | Montgomery Area Codes |
| Waller Area Codes |
| 409 Area Code | ||
|---|---|---|
| Chambers Area Codes | Galveston Area Codes | Hardin Area Codes |
| Jasper Area Codes | Jefferson Area Codes | Newton Area Codes |
| Orange Area Codes | Sabine Area Codes | Tyler Area Codes |
| 469 Area Code | ||
|---|---|---|
| Collin Area Codes | Dallas Area Codes | Denton Area Codes |
| Ellis Area Codes | Johnson Area Codes | Kaufman Area Codes |
| Navarro Area Codes | Rockwall Area Codes |
| 682 Area Code | ||
|---|---|---|
| Denton Area Codes | Hood Area Codes | Johnson Area Codes |
| Parker Area Codes | Tarrant Area Codes |
| 713 Area Code | |
|---|---|
| Fort Bend Area Codes | Harris Area Codes |
| 737 Area Code | ||
|---|---|---|
| Bronx Area Codes | Kings Area Codes | Queens Area Codes |
| Richmond Area Codes |
| 817 Area Code | ||
|---|---|---|
| Denton Area Codes | Hood Area Codes | Johnson Area Codes |
| Parker Area Codes | Tarrant Area Codes |
| 832 Area Code | ||
|---|---|---|
| Brazoria Area Codes | Chambers Area Codes | Fort Bend Area Codes |
| Galveston Area Codes | Harris Area Codes | Liberty Area Codes |
| Montgomery Area Codes | Waller Area Codes |
| 915 Area Code | ||
|---|---|---|
| Culberson Area Codes | El Paso Area Codes | Hudspeth Area Codes |
| 956 Area Code | ||
|---|---|---|
| Cameron Area Codes | Hidalgo Area Codes | La Salle Area Codes |
| Starr Area Codes | Webb Area Codes | Willacy Area Codes |
| Zapata Area Codes |
| 972 Area Code | ||
|---|---|---|
| Collin Area Codes | Dallas Area Codes | Denton Area Codes |
| Ellis Area Codes | Johnson Area Codes | Kaufman Area Codes |
| Navarro Area Codes | Rockwall Area Codes |
| US Area Code |
