Prefix Information

The prefix 638 is part of area code 978 serving Lowell, Massachusetts.

This exchange contains 10,000 possible phone numbers (978-638-0000 through 978-638-9999).

Browse Numbers in This Prefix

978-638-0000-0999 978-638-1000-1999 978-638-2000-2999 978-638-3000-3999 978-638-4000-4999 978-638-5000-5999 978-638-6000-6999 978-638-7000-7999 978-638-8000-8999 978-638-9000-9999

Sample Numbers

(978) 638-0000 (978) 638-1234 (978) 638-2000 (978) 638-3333 (978) 638-4444 (978) 638-5555 (978) 638-6000 (978) 638-7777 (978) 638-8888 (978) 638-9999