Home > Term: Block Holder
Block Holder
The Service Provider to which a thousands-block (NXX-X) has been assigned for use.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Τηλεπικοινωνίες
- Category: General telecom
- Company: ATIS
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Δημιουργός
- KeithC3
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