Prefix Information

The prefix 550 is part of area code 978 serving Lowell, Massachusetts.

This exchange contains 10,000 possible phone numbers (978-550-0000 through 978-550-9999).

Browse Numbers in This Prefix

978-550-0000-0999 978-550-1000-1999 978-550-2000-2999 978-550-3000-3999 978-550-4000-4999 978-550-5000-5999 978-550-6000-6999 978-550-7000-7999 978-550-8000-8999 978-550-9000-9999

Sample Numbers

(978) 550-0000 (978) 550-1234 (978) 550-2000 (978) 550-3333 (978) 550-4444 (978) 550-5555 (978) 550-6000 (978) 550-7777 (978) 550-8888 (978) 550-9999