Method and system for managing mobile telephone numbers and mobile telephone subscribers' data without geography-based restriction

A system, comprising:

• a plurality of data servers each configured to store account related data for mobile telephones of subscribers to wireless communication service provided by one wireless network operator, wherein each of the data servers is configured to by default store account related data for mobile telephones based on geographic areas corresponding to mobile telephone numbers (MTNs) assigned to the mobile telephones of subscribers;
• an Electronic Telephone Number Inventory (eTNI) database configured to store an inventory of the wireless network operator's MTNs and subscribers' identifications (IDs) corresponding to the MTNs assigned to telephones of the subscribers and to locations among the plurality of data servers of subscribers account related data, wherein:
• (a) at least some of the account related data of one or more of the subscribers is located on one or more of the data servers based upon subscriber ID rather than geographic area corresponding to MTNs, and
• (b) account data for multiple mobile telephones for a subscriber having multiple mobile telephones assigned MTNs corresponding to different ones of the geographic areas is consolidated on one of the data servers under one subscriber ID assigned to the subscriber having the multiple mobile telephones;
• and
• a point of sale (POS) terminal configured to:
• initiate a request for subscriber account data relating to a first MTN, including to obtain a subscriber ID corresponding to the first MTN obtained from the eTNI database, and forward the request including the subscriber ID corresponding to the first MTN;
• a router configured to receive the request including the subscriber ID corresponding to the first MTN, from the POS terminal, and forward the request to a first one of the data servers corresponding to the subscriber ID included in the received request.