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Principal Numbering Specialist

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Location: Remote
Compensation: Salary
Reviewed: Wed, Nov 11, 2026
This job expires in: 30 days

Job Summary

Serving as a subject matter expert in numbering and interconnection operations, the full-time remote Principal Numbering Specialist will manage company codes and numbering resources, ensure the accuracy of industry routing databases, and support wholesale customers with their numbering and routing requirements.

Key responsibilities
  • Oversee the lifecycle of company identifiers, including OCN and company code assignments
  • Manage NPA-NXX code applications and thousands-block applications through NANPA, ensuring compliance with state commission approvals
  • Maintain accuracy in BIRRDS and LERG data, supporting customer routing setups and troubleshooting issues
Required qualifications
  • 10+ years of experience in numbering, interconnection, or regulatory operations at a carrier or wholesale provider
  • Hands-on experience with NECA company code administration and NANPA filings
  • Fluency in LERG and BIRRDS routing data
  • Working knowledge of Section 251 and 252 interconnection agreements
  • Experience supporting customers with direct access numbering authorization

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