Portable Number Types
| Type | Portable | Notes |
|---|---|---|
| Local | Yes | |
| National | Yes | |
| Toll-Free | Yes | Requires BAKOM ownership proof |
| DDI Ranges | Yes | Subject to range restrictions (see below) |
Required Documents
Local / National Numbers
- ☐ Letter of Authorization (LoA) — Porting wish date must be mentioned; the signature must be a wet signature (no electronic signatures)
- ☐ Latest Invoice — Most recent billing documentation from current provider
- ☐ VAT / TAX ID — Tax identification number of the requesting entity
- ☐ Proof of Address — Dated within 3 months of the request (acceptable: latest invoice, utility bill, or insurance document)
Toll-Free Numbers
- ☐ Letter of Authorization (LoA) — Porting wish date must be mentioned
- ☐ Latest Invoice — Most recent billing documentation from current provider
- ☐ BAKOM Ownership Proof — Official ownership proof from BAKOM including reference number
Restrictions & Special Conditions
Key Definitions
| Term | Definition |
|---|---|
| DDI (Direct Dial-In) | A block of consecutive telephone numbers allocated as a range, typically used with PBX systems |
| BAKOM | Bundesamt fur Kommunikation — the Swiss Federal Office of Communications, the regulatory authority for telecommunications in Switzerland |
