Phone Carrier Lookup & SMS Deliverability Resources
Welcome to the CarrierLookup blog. It's your knowledge hub for phone carrier lookup and SMS deliverability. Here, we explore how accurate carrier data helps organizations improve messaging success, reduce costs, and mitigate risk.
latestGeneral Post
Why Identifying Mobile vs. Landline Numbers Improves Mass Calling Campaigns
Summary If you run outbound campaigns, knowing whether a number is mobile or landline can make or break your results. This guide explains why line-type identification matters, how it improves connection rates, and how tools like CarrierLookup help you reach the right people. In…
Feb 03, 2026
7 min read