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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-545 A Warwick MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-545 0 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 1 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 2 Warwick MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 3 Warwick MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 4 Warwick MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-545 5 Warwick MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-545 6 Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-02   
667-545 7 Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-02   
667-545 8 Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-10   
667-545 9 Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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