Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-526 A Centreville MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-526 0 Centreville MD   073H TELNYX LLC 242   2023-02-27   
667-526 2 Centreville MD   876D ONVOY, LLC - MD 242   2024-03-07   
667-526 3 Centreville MD   516J TON80 COMMUNICATIONS, LLC 242   2022-05-07   
667-526 4 Centreville MD   876D ONVOY, LLC - MD 242   2024-06-23   
667-526 5 Centreville MD   318J COMCAST IP PHONE, LLC 242   2024-12-21   
667-526 6 Centreville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2025-05-10   
667-526 7 Centreville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2025-05-10   
667-526 9 Centreville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2025-10-24   

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

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