CTHRepealedLegislation
Telecommunications Numbering Plan 1997
Part 7Miscellaneous access codes
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Part 7 Miscellaneous access codes
| Column 1Number prefix | Column 2Type of serviceLimit on level of call charge (if any) | Column 3Number structureSpecial arrangements about use of number until or after a particular date (if any) | Column 4Is incoming international access available?Type of shared number? |
|---|---|---|---|
| 18 31 | Calling number display over‑ride service — block display | 4 digit number | NoShared non‑selectable |
| 18 32 | Calling number display over‑ride service — unblock display | 4 digit number | NoShared non‑selectable |
| *31# | Calling number display over‑ride service — unblock display | 4 digits and symbols | NoShared non‑selectable |
| #31# | Calling number display over‑ride service — block display | 4 digits and symbols | NoShared non‑selectable |