Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 8832 STARPOWER COMMUNICATIONS, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-920 A Washington Zone 3 MD LNHMMDADGT0  236      
301-920 0 Washington Zone 3 MD   236      
301-920 1 Washington Zone 3 MD   236      
301-920 2 Washington Zone 3 MD   236      
301-920 3 Washington Zone 3 MD   236      
301-920 8 Washington Zone 3 MD   236      
301-971 A Washington Zone 6 MD LNHMMDADGT0  236      
301-971 8 Washington Zone 6 MD   236      
301-974 A Laurel MD LNHMMDADGT0  236      
301-974 0 Laurel MD   236      
301-974 8 Laurel MD   236      

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

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