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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-493 A Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-11-25   
667-493 0 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-01-15   
667-493 1 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-01-15   
667-493 2 Annapolis MD   876D ONVOY, LLC - MD 238   2025-04-06   
667-493 4 Annapolis MD   5562 METROPCS, INC. 238   2025-05-09   
667-493 5 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-25   
667-493 9 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-11-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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