Question: Is there a service that allows me to assign specific phone numbers to different marketing campaigns and track their performance?

Invoca is an all-in-one analytics and automation platform that offers call tracking and analytics to attribute marketing-driven calls. It offers AI-powered conversation insights, custom AI models to capture call intent and conversion outcomes, and integration with martech tools to optimize your bidding and CRM systems. It's geared for marketing, sales and contact center teams looking to drive revenue growth.

Another good option is Ringba, an inbound call tracking and analytics service geared for marketers and brands. It offers advanced call tracking, attribution and reporting, along with real-time call management and AI-driven insights. Ringba also offers IVR technology and integrates with big marketing tools like Google Ads and Facebook Ads, so it's good for affiliate marketers, call centers and pay per call networks.

If you want an all-in-one service, Ringostat handles inbound and outbound calls, messaging and call data analysis. It's got a Performance Box for call tracking and marketing analytics, and supports local and international numbers with IVR technology. Ringostat integrates with CRM systems like Salesforce and Hubspot, and offers a free trial and fast technical support.