Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
771-239 4 Washington Zone 1 DC   236   2024-01-08   
771-239 5 Washington Zone 1 DC   236   2024-01-08   
771-239 6 Washington Zone 1 DC   236   2024-01-08   
771-239 7 Washington Zone 1 DC   236   2024-01-08   
771-239 8 Washington Zone 1 DC   236   2024-01-08   
771-239 9 Washington Zone 1 DC   236   2024-01-08   
771-240 A Washington Zone 1 DC OCQNVAXAVMD  236   2024-01-08   
771-240 5 Washington Zone 1 DC   236   2024-01-08   
771-240 6 Washington Zone 1 DC   236   2024-01-08   
771-240 7 Washington Zone 1 DC   236   2024-01-08   
771-240 8 Washington Zone 1 DC   236   2024-01-08   
771-240 9 Washington Zone 1 DC   236   2024-01-08   
771-248 7 Washington Zone 1 DC   236   2025-01-09   
771-249 A Washington Zone 1 DC OCQNVAXAVMD  236   2025-02-10   
771-249 6 Washington Zone 1 DC   236   2025-02-10   
771-474 A Washington Zone 1 DC OCQNVAXAVMD  236   2024-04-08   
771-474 6 Washington Zone 1 DC   236   2024-04-08   
771-474 7 Washington Zone 1 DC   236   2024-04-08   
826-244 6 Stafford VA   236   2024-06-10   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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