Plans for a new Bay Area office in downtown Oakland have also been scratched.
“If certain offices were to close, there would be no impact” to employment.
The affected staffers would just transition to full-time work from home, she added.
Twitter has seen an uptick in usage – roughly 237.8 million daily users in the quarter ending June 30.
That’s nearly 4% more than the previous quarter and 16% from a year ago.
The company instituted a hiring freeze in May and laid off nearly 100 workers in July.