Prefix Information
The prefix 561 is part of area code 774 serving Worcester, Massachusetts.
This exchange contains 10,000 possible phone numbers (774-561-0000 through 774-561-9999).
Phone numbers with prefix 561 in area code 774. Location: Worcester, Massachusetts.
The prefix 561 is part of area code 774 serving Worcester, Massachusetts.
This exchange contains 10,000 possible phone numbers (774-561-0000 through 774-561-9999).