Prefix Information

The prefix 991 is part of area code 717 serving Lancaster, Pennsylvania.

This exchange contains 10,000 possible phone numbers (717-991-0000 through 717-991-9999).

Browse Numbers in This Prefix

717-991-0000-0999 717-991-1000-1999 717-991-2000-2999 717-991-3000-3999 717-991-4000-4999 717-991-5000-5999 717-991-6000-6999 717-991-7000-7999 717-991-8000-8999 717-991-9000-9999

Sample Numbers

(717) 991-0000 (717) 991-1234 (717) 991-2000 (717) 991-3333 (717) 991-4444 (717) 991-5555 (717) 991-6000 (717) 991-7777 (717) 991-8888 (717) 991-9999