Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-665 A Nanticoke MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
443-665 0 Nanticoke MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-665 1 Nanticoke MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
443-665 2 Nanticoke MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2023-05-18   
443-665 3 Nanticoke MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-665 4 Nanticoke MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-665 5 Nanticoke MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-665 6 Nanticoke MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
443-665 7 Nanticoke MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-665 8 Nanticoke MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-665 9 Nanticoke MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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