The widespread outage that impacted over 1.5 million Verizon wireless customers continued late Wednesday evening with no resolution in sight, prompting several major cities to advise residents to use other carriers to call emergency services.

Many Verizon customers encountered a widespread outage on Wednesday, disrupting calling and other cellular services across the U.S.

The outage has been hitting Verizon customers across the US, particularly in the Chicago, New York, and Seattle areas.