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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-314 A Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-10-04   
227-314 0 Waldorf MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-10-05   
227-314 1 Waldorf MD   876D ONVOY, LLC - MD 236   2026-10-05   
227-314 2 Waldorf MD   876D ONVOY, LLC - MD 236   2026-10-05   
227-314 3 Waldorf MD   876D ONVOY, LLC - MD 236   2026-10-05   
227-314 4 Waldorf MD   820C INTRADO COMMUNICATIONS, LLC 236   2026-11-01   
227-314 7 Waldorf MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-10-16   
227-314 8 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-10-04   
227-314 9 Waldorf MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-10-04   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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