Telecommunications - Technology Services
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Dialing Instructions
| Local Dialing | 9 + Area + Number |
| Credit Card Dialing | 9 + 1 + 8XX + Number |
| Toll-Free Numbers | 9 + 1 + 8XX + Number |
| Long Distance | 16 + Authorization Code + 9 + 1 + Area + Number |
| Information | 16 + Authorization Code + 9 + 1 + Area + 555-1212 |
| Toll-Free Information | 9 + 1 + 800-555-1212 |
| International Dialing | 16 + Authorization Code + 9 + 011 + Country Code + Routing Code + Local Number |
| Administrative Numbers | Dial Last Four Digits |
| Dormitory Numbers | Dial Last Four Digits |
| Administrative Telephone Repair | 6000 |
| Dormitory Telephone Repair | 5797 |
| Dial-Up Networking: | |
| Local | 903-886-8092 |
| Metroplex | 972-613-2339 |
| Metro Number | 903-450-1281 |