"The physical cable that hold the fiber optic lines that serve this particular group of businesses was somehow severed (ever heard the Miss Utility ad about checking before digging?)," Kaufman wrote in an e-mail. "I'm told it is not a widespread issue."
Those with AT&T service on their cell phones did not seem to be having problems.
Five postal customers who in the lobby of the Bel Air post office Tuesday afternoon said they used providers other than AT&T.
But one woman, Anne Gessner of Bel Air, said she had AT&T telephone service and had had no trouble accessing the Internet thorough her smartphone.
Richard Shepler, owner of Paintball Pandemic in the Stack & Store shopping center at Tollgate Road and Boulton Street in Bel Air, said he is not a AT&T customer, rather Comcast for his business telephone and Internet service.
But he also noted his service has gone down about eight times recently, for about eight to 12 hours each time.
"I can't conduct business," Shepler said of the impact of losing service. "I can't make credit card transactions, I can't make Internet sales, I can't use my social media; I'm basically back to the Stone Age."