| País | Reino Unido de Gran Bretaña e Irlanda del Norte |
| ITU/UIT | G |
| Fecha entrada | 1871-02-24 |
| Prefijos | |
| 2AA-2AZ | |
| 2BA-2BZ | |
| 2CA-2CZ | |
| 2DA-2DZ | |
| 2EA-2EZ | |
| 2FA-2FZ | |
| 2GA-2GZ | |
| 2HA-2HZ | |
| 2IA-2IZ | |
| 2JA-2JZ | |
| 2KA-2KZ | |
| 2LA-2LZ | |
| 2MA-2MZ | |
| 2NA-2NZ | |
| 2OA-2OZ | |
| 2PA-2PZ | |
| 2QA-2QZ | |
| 2RA-2RZ | |
| 2SA-2SZ | |
| 2TA-2TZ | |
| 2UA-2UZ | |
| 2VA-2VZ | |
| 2WA-2WZ | |
| 2XA-2XZ | |
| 2YA-2YZ | |
| 2ZA-2ZZ | |
| GAA-GAZ | |
| GBA-GBZ | |
| GCA-GCZ | |
| GDA-GDZ | |
| GEA-GEZ | |
| GFA-GFZ | |
| GGA-GGZ | |
| GHA-GHZ | |
| GIA-GIZ | |
| GJA-GJZ | |
| GKA-GKZ | |
| GLA-GLZ | |
| GMA-GMZ | |
| GNA-GNZ | |
| GOA-GOZ | |
| GPA-GPZ | |
| GQA-GQZ | |
| GRA-GRZ | |
| GSA-GSZ | |
| GTA-GTZ | |
| GUA-GUZ | |
| GVA-GVZ | |
| GWA-GWZ | |
| GXA-GXZ | |
| GYA-GYZ | |
| GZA-GZZ | |
| MAA-MAZ | |
| MBA-MBZ | |
| MCA-MCZ | |
| MDA-MDZ | |
| MEA-MEZ | |
| MFA-MFZ | |
| MGA-MGZ | |
| MHA-MHZ | |
| MIA-MIZ | |
| MJA-MJZ | |
| MKA-MKZ | |
| MLA-MLZ | |
| MMA-MMZ | |
| MNA-MNZ | |
| MOA-MOZ | |
| MPA-MPZ | |
| MQA-MQZ | |
| MRA-MRZ | |
| MSA-MSZ | |
| MTA-MTZ | |
| MUA-MUZ | |
| MVA-MVZ | |
| MWA-MWZ | |
| MXA-MXZ | |
| MYA-MYZ | |
| MZA-MZZ | |
| VPA-VPZ | |
| VQA-VQZ | |
| VSA-VSZ | |
| ZBA-ZBZ | |
| ZCA-ZCZ | |
| ZDA-ZDZ | |
| ZEA-ZEZ | |
| ZFA-ZFZ | |
| ZGA-ZGZ | |
| ZHA-ZHZ | |
| ZIA-ZIZ | |
| ZJA-ZJZ | |
| ZNA-ZNZ | |
| ZOA-ZOZ | |
| ZQA-ZQZ |
