| Answer | Crossword Clue |
|---|---|
| MCI | Long-distance letters |
| ATT | Long-distance letters |
| GTE | Long distance letters |
| ATT | Long distance letters |
| MCI | Long distance letters |
| MCI | Old long-distance letters |
| ATT | Long-distance call letters |
| ATT | Letters in a long-distance company's number |
