Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-328 8 Gresham OR 318J COMCAST IP PHONE, LLC 672   2006-01-26   
503-328 9 Gresham OR 318J COMCAST IP PHONE, LLC 672   2006-01-26   
503-336 A Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-336 0 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2004-11-25   
503-339 7 Salem OR 318J COMCAST IP PHONE, LLC 672   2007-07-16   
503-342 5 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2020-10-04   
503-342 6 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2005-12-16   
503-342 9 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2020-10-04   
503-343 8 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2020-10-04   
503-344 4 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2006-05-01   
503-344 6 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2006-05-01   
503-352 4 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2005-12-19   
503-352 5 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2005-12-19   
503-352 9 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2005-12-19   
503-372 5 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-372 6 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2008-10-15   
503-372 9 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-384 2 Portland OR 318J COMCAST IP PHONE, LLC 672   2010-08-31   
503-385 1 Salem OR 318J COMCAST IP PHONE, LLC 672   2008-10-30   
503-385 8 Salem OR 318J COMCAST IP PHONE, LLC 672   2008-10-30   
503-387 3 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2006-09-14   
503-387 5 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2006-09-14   
503-387 6 Clackamas OR 318J COMCAST IP PHONE, LLC 672   2014-05-26   
503-396 5 St Helens OR 318J COMCAST IP PHONE, LLC 672   2005-01-31   
503-410 5 St Helens OR 318J COMCAST IP PHONE, LLC 672   2010-06-09   
503-427 0 Stafford-Sandy OR 318J COMCAST IP PHONE, LLC 672   2006-01-26   
503-427 2 Stafford-Sandy OR 318J COMCAST IP PHONE, LLC 672   2009-04-30   
503-430 0 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-430 1 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-430 5 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-430 7 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-430 8 Beaverton OR 318J COMCAST IP PHONE, LLC 672      
503-432 8 Portland OR 318J COMCAST IP PHONE, LLC 672      
503-444 7 Portland OR 318J COMCAST IP PHONE, LLC 672   2013-09-06   
503-447 1 North Plains OR 318J COMCAST IP PHONE, LLC 672      
503-454 0 Stafford-Sandy OR 318J COMCAST IP PHONE, LLC 672      
503-477 4 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-477 5 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-477 6 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-477 7 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-477 8 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-477 9 Portland OR 318J COMCAST IP PHONE, LLC 672   2007-02-12   
503-482 5 Stafford-Sandy OR 318J COMCAST IP PHONE, LLC 672   2006-08-16   
503-486 5 Stafford-Sandy OR 318J COMCAST IP PHONE, LLC 672   2008-03-31   
503-487 6 Newberg OR 318J COMCAST IP PHONE, LLC 672   2006-05-07   
503-489 5 Gresham OR 318J COMCAST IP PHONE, LLC 672   2005-01-31   
503-512 7 Gresham OR 318J COMCAST IP PHONE, LLC 672   2006-09-14   
503-512 8 Gresham OR 318J COMCAST IP PHONE, LLC 672   2006-09-14   
503-521 7 Beaverton OR 318J COMCAST IP PHONE, LLC 672   2012-07-19   
503-530 8 Beaverton OR 318J COMCAST IP PHONE, LLC 672      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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