Contacts under N
- NAEA Propertymark
- National Association for Bikers with a Disability (NABD)
- National Association of Deafened People
- National Autistic Society
- National Children's Bureau (NCB)
- National Crime Agency (NCA)
- National Deaf Children's Society (NDCS)
- National Energy Action (NEA)
- National Insurance Contributions - International Casework Team
- National Literacy Trust
- National Museums NI
- National Savings and Investments
- National Trust in Northern Ireland
- Newcastle Careers Office
- Newcastle Jobs & Benefits office
- Newington Housing Association Ltd
- Newry Careers Office
- Newry Court
- Newry Jobs & Benefits Office
- Newry, Mourne and Down District Council
- Newry, Mourne and Down District Council Local Planning Office
- Newry, Mourne and Down District Registrar - Downpatrick Registration office
- Newry, Mourne and Down District Registrar - Newry and Mourne Registration office
- Newtownabbey Jobs & Benefits office
- Newtownabbey Registration office
- Newtownards Court
- Newtownards Jobs & Benefits office
- Newtownards Registration office
- Nexus NI
- NI DACTS - Drugs & Alcohol Co-ordination Teams-Connections Services
- NI Diabetic Eye Screening Programme
- NI Energy Advice
- NI Redundancy Payments Service
- NIACRO
- NIACRO - Belfast office
- NIACRO - Portadown office
- nibusinessinfo.co.uk
- nidirect account support
- North Belfast Housing Association Ltd
- North West Regional College
- North West Regional College - Limavady campus
- North West Regional College - Londonderry campus
- North West Regional College - Strabane campus
- North West Regional College – Springtown campus
- Northern area breast screening unit
- Northern Area Early Intervention Project - Northern Health and Social Care Trust
- Northern Health and Social Care Trust
- Northern Health and Social Care Trust - mental health
- Northern Ireland Abdominal Aortic Aneurysm Screening Programme
- Northern Ireland Ambulance Service HSC Trust
- Northern Ireland Assembly
- Northern Ireland Audit Office (NIAO)
- Northern Ireland Blood Transfusion Service
- Northern Ireland Bureau Washington
- Northern Ireland Childminding Association
- Northern Ireland Commissioner for Children and Young People
- Northern Ireland Council for Integrated Education (NICIE)
- Northern Ireland Courts and Tribunals Service
- Northern Ireland Courts and Tribunals Service - Complaints Co-ordinator
- Northern Ireland Courts and Tribunals Service - Customer Service Centre
- Northern Ireland Courts and Tribunals Service - Fine Collection and Enforcement Services
- Northern Ireland Courts and Tribunals Service – Judicial Pay and Pensions Branch
- Northern Ireland Deaf Youth Association
- Northern Ireland Environment Agency
- Northern Ireland Environment Agency - Environmental Crime Unit
- Northern Ireland Environment Link (NIEL)
- Northern Ireland Executive
- Northern Ireland Fire & Rescue Service
- Northern Ireland Fishery Harbour Authority
- Northern Ireland Gay Rights Association
- Northern Ireland government departments
- Northern Ireland Guardian Ad Litem Agency
- Northern Ireland Housing Executive
- Northern Ireland Human Rights Commission
- Northern Ireland Local Government Association
- Northern Ireland Local Government Officers' Superannuation Committee (NILGOSC)
- Northern Ireland Master Plumbers' Association
- Northern Ireland Medical and Dental Training Agency
- Northern Ireland Museums Council
- Northern Ireland Office (NIO)
- Northern Ireland Pension Centre
- Northern Ireland Policing Board
- Northern Ireland Practice and Education Council for Nursing and Midwifery (NIPEC)
- Northern Ireland Prison Service
- Northern Ireland Public Services Ombudsman
- Northern Ireland Road Safety Partnership
- Northern Ireland Screen
- Northern Ireland Social Care Council
- Northern Ireland Statistics and Research Agency (NISRA)
- Northern Ireland Trading Standards Service
- Northern Ireland Valuation Tribunal
- Northern Ireland Water
- Northern Regional College
- Northern Regional College - Ballymena (Farm Lodge)
- Northern Regional College - Ballymena (Trostan Avenue)
- Northern Regional College - Ballymoney campus
- Northern Regional College - Coleraine campus
- Northern Regional College - Magherafelt campus
- Northern Regional College - Newtownabbey campus
- NSPCC (National Society for the Prevention of Cruelty to Children)
- NSPCC (National Society for the Prevention of Cruelty to Children) - Child Protection helpline
- NSPCC Child Trafficking Advice Centre
- NSPCC Young Witness Service
- NSPCC Young Witness Service - Antrim
- NSPCC Young Witness Service - Belfast
- NSPCC Young Witness Service - Craigavon
- NSPCC Young Witness Service - Londonderry
- NSPCC Young Witness Service - Newry
- NSPCC Young Witness Service - Omagh
- NSPCC Young Witness Service/Victim Support NI - Victims and Witnesses Branch