Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

NXX: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-281 A Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-28   
227-281 0 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-28   
227-281 1 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-28   
227-281 2 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-28   
227-281 3 Frederick MD   732J NUSO, LLC 240   2025-08-18   
227-281 4 Frederick MD   732J NUSO, LLC 240   2025-08-18   
227-281 5 Frederick MD   732J NUSO, LLC 240   2025-08-18   
227-281 7 Frederick MD   876D ONVOY, LLC - MD 240   2025-10-12   
227-281 8 Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-07-29   
227-281 9 Frederick MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2025-07-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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