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: 498

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-498 A Arbutus MD BLTMMDCH57Z  7421 AT&T - LOCAL 238   2025-01-17   
667-498 9 Arbutus MD BLTMMDCH57Z  7421 AT&T - LOCAL 238   2025-01-17   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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