Prefix Information

The prefix 623 is part of area code 351 serving Lowell, Massachusetts.

This exchange contains 10,000 possible phone numbers (351-623-0000 through 351-623-9999).

Browse Numbers in This Prefix

351-623-0000-0999 351-623-1000-1999 351-623-2000-2999 351-623-3000-3999 351-623-4000-4999 351-623-5000-5999 351-623-6000-6999 351-623-7000-7999 351-623-8000-8999 351-623-9000-9999

Sample Numbers

(351) 623-0000 (351) 623-1234 (351) 623-2000 (351) 623-3333 (351) 623-4444 (351) 623-5555 (351) 623-6000 (351) 623-7777 (351) 623-8888 (351) 623-9999