Device identifiers are typically found on the back, in the battery compartment or within the device settings
| Device | Identifier | Device Identifier Location |
| inReach 66i | IMEI | In the devices Setup > About |
| inReach 86i | IMEI | In the devices Setup > About |
| inReach Explorer | IMEI | In the devices Settings > About This Device |
| inReach Explorer+ | IMEI | In the devices Settings > About This Device |
| inReach GPSMap 700i | IMEI | In the devices Setup > About |
| inReach GPSMap 750i | IMEI | In the devices Setup > About |
| inReach Mini | IMEI | In the devices Settings > About This Device |
| inReach SE+ | IMEI | In the devices Settings > About This Device |
| inReach SE+ | IMEI | In the devices Settings > About This Device |
| Iridium Extreme (9575) | IMEI |
Inside the battery compartment OR entering *#06# on the handset |
| RockFLEET | 5 digit serial | On the base of the device |
| RockSTAR | 5 digit serial | On the rear of the device |
| Smartone C | 7 digit ESN | Inside the battery compartment |
| Smartone Solar | 7 digit ESN | On the base of the device |
| SPOT Gen 3 | 7 digit ESN | Inside the battery compartment |
| SPOT Gen 4 | 7 digit ESN | Inside the battery compartment |
| SPOT Trace | 7 digit ESN | Inside the battery compartment |