Detecting and mitigating effects of unauthorized telephone number spoofing

A method, comprising,

• sending, by a first device comprising a processor, a communication for a second device to a third device, wherein the communication comprises a first telephone number for display at the second device that is different from a second telephone number associated with the first device, resulting in a number discrepancy;
• and
• receiving, by the first device, an indication that the communication was not sent to the second device, wherein the indication was generated based on the number discrepancy and a result of an analysis that was performed by the third device.

A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor of a first device, facilitate performance of operations, comprising:

• sending a communication for a second device to a third device, wherein the communication comprises a first telephone identifier number for display at the second device that is different from a second telephone identifier number associated with the first device, resulting in a number discrepancy;
• and
• receiving an indication that the communication was not sent to the second device, wherein the indication was generated based on the number discrepancy and a result of an analysis that was performed by the third device.