| ZIP | County | State | Area Code | Time Zone |
| 76621 | Hill | TX | 254 | CST |
| 79311 | Hale | TX | 806 | CST |
| 79601 | Taylor | TX | 325 | CST |
| 79602 | Taylor | TX | 325 | CST |
| 79603 | Taylor | TX | 325 | CST |
| 79604 | Taylor | TX | 325 | CST |
| 79605 | Taylor | TX | 325 | CST |
| 79606 | Taylor | TX | 325 | CST |
| 79607 | Taylor | TX | 325 | CST |
| 79608 | Taylor | TX | 325 | CST |
| 79697 | Taylor | TX | 325 | CST |
| 79698 | Taylor | TX | 325 | CST |
| 79699 | Taylor | TX | 325 | CST |
| 79699 | Taylor | TX | 325 | CST |
| 78572 | Hidalgo | TX | 956 | CST |
| 78520 | Cameron | TX | 956 | CST |
| 76554 | Bell | TX | 254 | CST |
| 77326 | Polk | TX | 936 | CST |
| 79713 | Martin | TX | 432 | CST |
| 76049 | Hood | TX | 817 | CST |
| 78550 | Cameron | TX | 956 | CST |
| 77079 | Harris | TX | 281 | CST |
| 77084 | Harris | TX | 281 | CST |
| 75001 | Dallas | TX | 972 | CST |
| 78101 | Bexar | TX | 210 | CST |
| 79001 | Deaf Smith | TX | 806 | CST |
| 79220 | Dickens | TX | 806 | CST |
| 77844 | Brazos | TX | 979 | CST |
| 78330 | Nueces | TX | 361 | CST |
| 78361 | Jim Hogg | TX | 361 | CST |
| 78369 | Webb | TX | 361 | CST |
| 79221 | Floyd | TX | 806 | CST |
| 77351 | Polk | TX | 936 | CST |
| 78516 | Hidalgo | TX | 956 | CST |
| 78209 | Bexar | TX | 210 | CST |
| 79002 | Gray | TX | 806 | CST |
| 75410 | Wood | TX | 903 | CST |
| 76430 | Shackelford | TX | 325 | CST |
| 78671 | Gillespie | TX | 830 | CST |
| 77039 | Harris | TX | 281 | CST |
| 76008 | Parker | TX | 817 | CST |
| 75973 | Shelby | TX | 936 | CST |
| 78332 | Jim Wells | TX | 361 | CST |
| 76877 | San Saba | TX | 325 | CST |
| 78332 | Jim Wells | TX | 361 | CST |
| 78333 | Jim Wells | TX | 361 | CST |
| 78342 | Jim Wells | TX | 361 | CST |
| 77411 | Harris | TX | 713 | CST |
| 75002 | Collin | TX | 972 | CST |
| 75013 | Collin | TX | 972 | CST |
| 75094 | Collin | TX | 972 | CST |
| 78935 | Colorado | TX | 979 | CST |
| 79003 | Wheeler | TX | 806 | CST |
| 79830 | Brewster | TX | 432 | CST |
| 79831 | Brewster | TX | 432 | CST |
| 79832 | Brewster | TX | 432 | CST |
| 77510 | Galveston | TX | 409 | CST |
| 77412 | Colorado | TX | 979 | CST |
| 75925 | Cherokee | TX | 936 | CST |
| 76653 | Limestone | TX | 254 | CST |
| 78573 | Hidalgo | TX | 956 | CST |
| 76009 | Johnson | TX | 817 | CST |
| 77511 | Brazoria | TX | 281 | CST |
| 77512 | Brazoria | TX | 281 | CST |
| 76225 | Wise | TX | 940 | CST |
| 79101 | Potter | TX | 806 | CST |
| 79102 | Potter | TX | 806 | CST |
| 79103 | Potter | TX | 806 | CST |
| 79104 | Potter | TX | 806 | CST |
| 79105 | Potter | TX | 806 | CST |
| 79106 | Potter | TX | 806 | CST |
| 79107 | Potter | TX | 806 | CST |
| 79108 | Potter | TX | 806 | CST |
| 79109 | Randall | TX | 806 | CST |
| 79110 | Randall | TX | 806 | CST |
| 79111 | Potter | TX | 806 | CST |
| 79114 | Randall | TX | 806 | CST |
| 79116 | Potter | TX | 806 | CST |
| 79117 | Potter | TX | 806 | CST |
| 79118 | Randall | TX | 806 | CST |
| 79119 | Randall | TX | 806 | CST |
| 79120 | Potter | TX | 806 | CST |
| 79121 | Randall | TX | 806 | CST |
| 79124 | Potter | TX | 806 | CST |
| 79159 | Potter | TX | 806 | CST |
| 79166 | Potter | TX | 806 | CST |
| 79168 | Potter | TX | 806 | CST |
| 79172 | Potter | TX | 806 | CST |
| 79174 | Potter | TX | 806 | CST |
| 79178 | Potter | TX | 806 | CST |
| 79185 | Potter | TX | 806 | CST |
| 79189 | Potter | TX | 806 | CST |
| 77575 | Liberty | TX | 936 | CST |
| 79312 | Lamb | TX | 806 | CST |
| 78945 | Fayette | TX | 979 | CST |
| 75667 | Rusk | TX | 903 | CST |
| 77514 | Chambers | TX | 409 | CST |
| 77515 | Brazoria | TX | 979 | CST |
| 77963 | Goliad | TX | 361 | CST |
| 77830 | Grimes | TX | 936 | CST |