Jamaica voice guidelines
Voice calling guidelines for Jamaica (JM), covering reachability, caller ID formats, DTMF support, and emergency services.
Locale overview
| Field | Value |
|---|---|
| Country | Jamaica |
| ISO code | JM |
| Region | North America (Caribbean) |
| Dialing code | +1876, +1658 |
Reachability
Jamaica supports domestic and international inbound and outbound calling. Toll-free numbers are not applicable for this locale.
| Call type | Inbound | Outbound |
|---|---|---|
| Domestic | Supported | Supported |
| International | Supported | Supported |
| Toll-free | N/A | N/A |
Caller ID
| Call type | Direction | Format |
|---|---|---|
| Domestic | Inbound | +E.164 |
| Domestic | Outbound | Local (non-guaranteed) |
| International | Inbound | +E.164 (non-guaranteed) |
| International | Outbound | +E.164 |
Outbound domestic caller ID delivery is not guaranteed due to carrier handling. Outbound international calls present caller ID in +E.164 format.
DTMF support
DTMF tones use RFC 2833 encoding and are supported for both inbound and outbound calls.
Emergency services
Emergency services calling (911/933) is not supported. Do not rely on this service for emergency communications in Jamaica.
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 Jamaica.