Agentic NOC addresses one of the telecom industry’s most critical challenges: operating increasingly complex, always-on networks with legacy, reactive NOC models that can no longer keep pace. As 5G, cloud-native architectures, edge computing, and IoT drive unprecedented scale and dynamism, CSPs face rising operational costs, prolonged outages, alarm fatigue, and mounting pressure to deliver flawless service while meeting sustainability mandates. This Catalyst introduces an AI-native, agent-based NOC architecture that transforms network operations from reactive cost centers into autonomous, strategic enablers. Built on TM Forum’s Open Digital Architecture (ODA) and aligned with Agentic AI, Intent-Driven Autonomous Networks, and Autonomous AI Control Loop (AACL) principles, the Agentic NOC deploys a collaborative ecosystem of multi-domain intelligent agents spanning network, service, field force, security, analytics, and virtual operations. Key capabilities include autonomous fault prediction and closed-loop remediation, intelligent incident management, AI-driven field force optimization, zero trust security enforcement, and a power-saving advisor that reduces energy consumption without compromising performance. Business and operational analytics agents convert real-time telemetry into actionable insights, while virtual agents enable human–machine collaboration through incident co-piloting and augmented decision-making. Agentic NOC demonstrates how truly agentic, AI-native operations can enable CSPs to achieve Autonomous Network Level 4 and beyond—delivering self-healing, self-optimizing, and sustainable network operations. This Catalyst advances TM Forum standards while providing a production-ready blueprint for the future of autonomous telco operations.