- Resolution of 10 July 2007 (BOE 06-08-2007) [PDF] [60.29 KB]of the Secretary of State for Telecommunications and for the Information Society, on the integration of the municipality of Santa Maria del Campo Rus in the provincial numbering area of Cuenca.
- Resolution of 25 May 2007 (BOE 19-06-2007) [PDF] [100.56 KB]of the State Secretariat for Telecommunications and for the Information Society, on the integration of the municipality of Santa Maria de los Llanos in the provincial numbering area of Cuenca.
- Resolution of 10 April 2006 (BOE 03-05-2006) [PDF] [53.64 KB]of the Secretary of State for Telecommunications and for the Information Society, on the integration of the municipality of La Cuesta in the provincial numbering area of Cáceres.
- Resolution of 17 January 2006 (BOE 09-02-2006) [PDF] [58.35 KB]of the Secretary of State for Telecommunications and for the Information Society, on the integration of the municipality of Baños de Montemayor in the provincial numbering area of Cáceres.
- Resolution of 20 May 2005 (BOE 24-06-2005) [PDF] [116.05 KB]of the Secretary of State for Telecommunications and for the Information Society, on modification of telephone districts affecting the municipality of Molina de Segura.
- Resolution of 11 May 2005 (BOE 15-06-2005) [PDF] [106.17 KB]of the Secretary of State for Telecommunications and for the Information Society, on modification of telephone districts affecting the municipality of Murcia.
- Resolution of 29 May 2003 (BOE 17-07-2003) [PDF] [45.41 KB]of the Secretary of State for Telecommunications and for the Information Society on the integration of the El Perellonet district in the charging district of Valencia.
- Resolution of 29 November 2002 (BOE 20-12-2002) [PDF] [46.77 KB]of the Telecommunications SE and for the S.I. on modification of the limits of charging districts that affect certain municipalities in the province of Valladolid.
- Real Decreto 667/2001, de 22 de junio (BOE 23-06-2001) [PDF] [20 KB]amending the National Plan for the Numbering of Telecommunications Services for the purpose of unifying districts in the islands of La Palma and Fuerteventura.