Update: Verizon Wireless says it has resolved an outage affecting portions of the U.S. Tuesday, and says the outage did not affect Upstate New York.

From earlier:

Verizon Wireless customers are reporting outages across much of the U.S., including Upstate New York.

An outage map shows Buffalo, Rochester, Syracuse, Albany and New York City among the largest cities affected around noon Tuesday: https://outage.report/us/verizon-wireless/map. The website is not affiliated with Verizon or other wireless carriers.

Other areas affected include large portions of the Northeast, the Midwest and South. The outage map shows large red circles of outage reports in cities like Dallas, New Orleans, Detroit, Memphis, Cleveland, Pittsburgh, Boston and Washington, D.C.

DownDetector.com reports more than 3,000 complaints were filed within the last three hours.

According to KCBD, some Verizon cell phone customers said they were unable to make and receive calls and texts Tuesday. Some iPhone users said they were still able to send and receive iMessages, but texts to Android and other wireless devices were unable to connect.

It's unclear what is causing the outage.

"Verizon is currently experiencing a wireless network issue," the company said in an official statement on Twitter. "Our technicians are aware of this issue and are working to resolve it quickly."

VZW customers can report outages here.

Verizon has not said when it expects to fix the problem.