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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-664 A Ocean City MD   829J PAETEC ITEL, LLC 242   2025-04-01   
443-664 0 Ocean City MD   829J PAETEC ITEL, LLC 242      
443-664 1 Ocean City MD   829J PAETEC ITEL, LLC 242      
443-664 2 Ocean City MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2008-04-30   
443-664 3 Ocean City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-08-09   
443-664 4 Ocean City MD   829J PAETEC ITEL, LLC 242      
443-664 5 Ocean City MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2012-05-25   
443-664 6 Ocean City MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-664 7 Ocean City MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2014-11-17   
443-664 8 Ocean City MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2017-07-10   
443-664 9 Ocean City MD   829J PAETEC ITEL, LLC 242      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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