| Answer | Crossword Clue |
|---|---|
| EXT | Call routing abbr. |
| EXTS | Call routing nos. |
| EXT | Call routing no. |
| ATTN | Routing abbr. |
| ATTN | Routing-memo abbr. |
| ATTN | Envelope-routing abbr. |
| ATTN | Mail-routing abbr. |
| ATTN | Memo-routing abbr. |
| ATTN | Routing aid: Abbr. |
| ATTN | Letter routing abbr. |
| ATTN | Letter-routing abbr. |
| ATTN | Envelope's routing abbr. |
| ATTN | Abbr. for routing of mail |
| ATTN | Routing abbr. on an envelope |
