The National Numbering Plan is a telephone numbering scheme that assigns phone numbers to mobile and fixed telephone voice communication operators. See the Numbering Plan pdf HERE (122 KB).   The Regulatory Authority manages and distributes numbers to ICOL holders and may include other licensees.  Should a service provider wish to obtain numbers a request should be made in writing to the RA to The RA will then review the application and revert back to you with a decision.