Communications service providers (CSPs) face mounting pressure following the FCC’s February 2025 ruling, with December 15th announced as the effective date for implementing Do-Not-Originate (DNO) in all areas of the call path to combat fraudulent calls. With consumers receiving an average of 13 spam or fraud calls monthly and losing $850 million annually to phone-based fraud, CSPs must act decisively to protect their customers while ensuring regulatory compliance. The complexity of building and maintaining comprehensive DNO lists that include invalid, unallocated, unused and inbound-only numbers presents significant operational challenges for CSPs already stretched thin by network management demands.

CSPs can reduce communications fraud and improve their DNO lists by supplementing them with authoritative data from iconectiv. Our comprehensive numbering data is the trusted source for call routing, rating, billing and numbering assignments across the U.S., Canada and the Caribbean. It includes unallocated and invalid number ranges that CSPs can use to enhance their DNO lists. This authoritative data ensures CSPs can confidently meet regulatory requirements while protecting their networks from fraudulent traffic.

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