A “nationwide issue” Tuesday has been affecting calls between carriers, AT&T and Verizon said.

Calls to 911 and between customers of the same carrier, like AT&T to AT&T, were not affected, AT&T said. Texts were not affected, and neither was the FirstNet wireless broadband network for first responders, it said.

“Our network is not experiencing a nationwide outage. There is a nationwide issue that is affecting the ability of some customers to complete calls between carriers,” a…