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847-391-0000-0999
Service Provider D
Service Provider C
Service Provider B
Rate Center 1
Number Pool
847-391-8000-8999
847-391-6000-6999
847-391-9000-9999
847-391-2000-2999
847-391-7000-7999
847-391-4000-4999
847-391-5000-5999
847-391-3000-3999
Service Provider A
847-391-1000-1999
When Service Provider B needs additional numbers, they can send a request to the “Pool” administrator for a block of one thousand numbers instead of requesting a full code being opened.
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