Prefix Information
The prefix 561 is part of area code 559 serving Fresno, California.
This exchange contains 10,000 possible phone numbers (559-561-0000 through 559-561-9999).
Phone numbers with prefix 561 in area code 559. Location: Fresno, California.
The prefix 561 is part of area code 559 serving Fresno, California.
This exchange contains 10,000 possible phone numbers (559-561-0000 through 559-561-9999).