Prefix Information

The prefix 623 is part of area code 978 serving Lowell, Massachusetts.

This exchange contains 10,000 possible phone numbers (978-623-0000 through 978-623-9999).

Browse Numbers in This Prefix

978-623-0000-0999 978-623-1000-1999 978-623-2000-2999 978-623-3000-3999 978-623-4000-4999 978-623-5000-5999 978-623-6000-6999 978-623-7000-7999 978-623-8000-8999 978-623-9000-9999

Sample Numbers

(978) 623-0000 (978) 623-1234 (978) 623-2000 (978) 623-3333 (978) 623-4444 (978) 623-5555 (978) 623-6000 (978) 623-7777 (978) 623-8888 (978) 623-9999