"Its breadth and duration are particularly troubling", he said.
State police spokesperson Dave Procopio said early Friday morning that the department believed the outage knocked out 911 emergency call services for wireless users in the Bay State.
Thousands of customers around the country, including Louisiana and Wyoming, are still experiencing outages Friday morning, according to Newsweek.
Many CenturyLink customers across the USA were without internet Thursday amid a lengthy outage that stretched from NY to California.
Federal Communications Chairman Ajit Pai said Friday that the agency will be investigating the outage.More news: NY authorities investigating ‘transformer incident’ amid reports of an explosion
KOMO reports that some customers in Washington experienced busy signals when they attempted to dial 911.
DownDetector reported initial signs of the outage around 1 a.m. PT Thursday. Callers may also get connected to an emergency call center that they weren't expecting, according to the Massachusetts Emergency Management Agency. The 911 outage did not affect Snohomish or Whatcom counties, according to the call centers' social-media posts.
The statement provided no other details, including the cause of the problem and how many customers were affected.
CenturyLink provides cell services to several carriers, including AT&T and Verizon - the outage didn't impact emergency calls from landlines.
CenturyLink's Twitter account offered the latest update shortly around 9:45 a.m. Friday, saying the company continued to make progress but that work to restore services on which many businesses and residents rely is taking longer than expected.
Brian Fontes, CEO of the National Emergency Numbers Association says that while small, localized 911 outages are fairly common and quickly repaired, outages affecting a large enough population to prompt an FCC investigation are not.