| District of Texas area codes: 940 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Denton |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 940-200 | Stonewall | Aspermont, TX | Cellco Partnership DBA Verizon Wireless |
| 940-202 | Grayson | Tioga, TX | Level 3 Communications |
| 940-203 | Knox | Munday, TX | Cellco Partnership DBA Verizon Wireless |
| 940-205 | Denton | Denton, TX | New Cingular Wireless PCS - IL |
| 940-206 | Denton | Denton, TX | Sprint Spectrum L.p. |
| 940-207 | Haskell | Rochester, TX | Cellco Partnership DBA Verizon Wireless |
| 940-209 | Clay | Bellevue, TX | Sbc Internet Services |
| 940-210 | Wise | Decatur, TX | Sprint Spectrum L.p. |
| 940-212 | Young | Olney, TX | Cellco Partnership DBA Verizon Wireless |
| 940-213 | Wichita | Iowa Park, TX | Level 3 Communications |
| 940-215 | Clay | Henrietta, TX | AT&T Local |
| 940-216 | Jack | Jacksboro, TX | Web Fire Communications |
| 940-217 | Wichita | Wichita Falls, TX | 365 Wireless |
| 940-218 | Denton | Denton, TX | Charter Fiberlink Tx-cco |
| 940-219 | Foard | Crowell, TX | Cellco Partnership DBA Verizon Wireless |
| 940-220 | Denton | Denton, TX | Sprint Communications Company, L.p. |
| 940-221 | Young | Graham, TX | Web Fire Communications |
| 940-222 | Denton | Denton, TX | Mcimetro Access Transmission Services LLC |
| 940-223 | Wise | Decatur, TX | Ntws Digital Broadband |
| 940-224 | Wichita | Wichita Falls, TX | Sprint Spectrum L.p. |
There are 364 prefixes, In the code area, the major cities are Denton, TX;Lewisville, TX;Wichita Falls, TX. The major city is Denton.