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.