List of cities - Royaume-Uni - County Londonderry - Telephone - Internet - e-sim

• Derry 1

• Castlerock 0
• Coleraine 0
• Downhill 0
• Dungiven 0
• Limavady 0
• Magherafelt 0
• Moneymore 0
• Portballintrae 0
• Portrush 0
• Portstewart 0