There are several possible causes of crackling sounds when breathing. For one it might be a symptom of a blockage, or alternatively pneumonia. In the latter case the crackling sound is made by liquid in the lungs.
Getting in touch with Verizon by phone is quick and simple, at least based upon the number of phone contacts listed on the Verizon customer service website. You can choose to use your mobile phone to get information or call from a landline, in some cases. Customer Service: *611 (from mobile phone) or 1-800-922-0204.
While 800-837-4966 is Verizon's best toll-free number, there are 11 total ways to get in touch with them. The next best way to talk to their customer support team, according to other Verizon customers, is by calling their 888-553-1555 phone number for their Customer Care department.