Prefix Information

The prefix 638 is part of area code 351 serving Lowell, Massachusetts.

This exchange contains 10,000 possible phone numbers (351-638-0000 through 351-638-9999).

Browse Numbers in This Prefix

351-638-0000-0999 351-638-1000-1999 351-638-2000-2999 351-638-3000-3999 351-638-4000-4999 351-638-5000-5999 351-638-6000-6999 351-638-7000-7999 351-638-8000-8999 351-638-9000-9999

Sample Numbers

(351) 638-0000 (351) 638-1234 (351) 638-2000 (351) 638-3333 (351) 638-4444 (351) 638-5555 (351) 638-6000 (351) 638-7777 (351) 638-8888 (351) 638-9999