Grenada voice guidelines
Voice calling guidelines for Grenada (GD), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | Grenada |
| ISO code | GD |
| Region | Caribbean |
| Dialing code | +1473 |
Reachability
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Non-guaranteed | Supported |
| Toll-free | N/A | N/A |
International inbound reachability is non-guaranteed and may vary depending on the originating carrier and routing path.
Caller ID
| Call type | Direction | Format |
|---|---|---|
| Domestic | Inbound | E.164 (e.g., +14731234567) |
| Domestic | Outbound | Local format — preservation non-guaranteed |
| International | Inbound | E.164 — non-guaranteed |
| International | Outbound | E.164 (e.g., +14731234567) |
Caller ID preservation for domestic outbound calls is non-guaranteed and depends on the terminating carrier. International inbound caller ID is delivered in E.164 format when available, but may not always be preserved end-to-end.
DTMF support
DTMF (dual-tone multi-frequency) signaling uses RFC 2833 and is supported for both inbound and outbound calls in Grenada.
Emergency services
Calling emergency services numbers in Grenada is not supported. Do not rely on voice calling through this platform for emergency communications.
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 Grenada.