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847-391-0000-0999
Service Provider D
Service Provider C
Service Provider B
Rate Center 1
Number Pool
Service Provider A
(Code Holder)
847-391-1000-9999
(Code Holder Donates 1K Blocks)
Initially Code holders will donate unused blocks or blocks with minimal assignments (contamination) to the pool. For example Service Provider A has 1000-9000 blocks available
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