01558 is the area code for the Llandeilo area in the Carmarthenshire region.
The majority of numbers utilizing the 01558 area code are regular Llandeilo landlines, however it should be noted that this might be misleading. Many businesses don’t provide a service that is connected or requires a physical address, but if they have a phone number, they have an area code.
Areas using 01558 telephone numbers:
| Region | Carmarthenshire (Wales) | |
| Number format | 01558 XXXXXX | |
| Local number digits | 6 |
| Location | Llandeilo | |
| International number format | +44 1558 XXXXXX | |
| Geo | 51.88605 , -3.99173 |
Call cost: landline connection fee depends on your service provider.
01558 is the telephone area code for Llandeilo, Carmarthenshire (Wales). Landline numbers in this area start with 01558.
Dial +44 (the UK country code), then 1558 without the leading 0, then the 6-digit local number: +44 1558 XXXXXX.
Within the 01558 area you can usually dial just the 6-digit local number. From a mobile phone or from another area, dial the full number: 01558 XXXXXX.