Iceland voice guidelines
Voice calling guidelines for Iceland (IS), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Details |
|---|---|
| Country | Iceland |
| ISO code | IS |
| Region | Europe |
| Dialing code | +354 |
Reachability
Iceland supports inbound and outbound calling for domestic, international, and toll-free number types. There are no specific outbound restrictions or regulatory barriers for outbound calling.
| Number type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | Supported | Supported |
Caller ID
| Call type | Inbound format | Outbound format |
|---|---|---|
| Domestic | +E.164 | Local (non-guaranteed) |
| International | +E.164 (non-guaranteed) | +E.164 |
| Toll-free | +E.164 | Local (non-guaranteed) |
Note: “Non-guaranteed” indicates that the caller ID value presented may not be preserved end-to-end depending on carrier routing.
DTMF support
DTMF signaling uses RFC 2833 format and is supported for both inbound and outbound calls.
Emergency services
Calls to emergency services numbers in Iceland are not supported. Do not rely on voice calling for emergency contact in Iceland.
Compliance note
These guidelines summarize carrier requirements at the time of publication and do not constitute legal counsel. Verify that your implementation complies with all applicable telecommunications regulations in Iceland.