Abstract: A database for a telecommunication service includes a first record for a first number having a predetermined NXX, and a second record for a second number having the predetermined NXX. The first record includes an indication that a call having an automatic number identification associated therewith is acceptable for the first number. The second record includes an indication that a call having at least one of an automatic number identification and a calling party identification associated therewith is acceptable for the second number. Associated methods and systems for providing a telecommunication service for the predetermined NXX are disclosed.