Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-300 A San Jose: South DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
408-300 0 San Jose: South DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-09-25   
408-300 1 San Jose: South DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-09-25   
408-300 2 San Jose: South DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-09-26   
408-300 3 San Jose: South DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-09-26   
408-300 4 San Jose: South DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-09-26   
408-300 5 San Jose: South DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2009-08-15   
408-300 6 San Jose: South DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-12-15   
408-300 7 San Jose: South DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-12-15   
408-300 8 San Jose: South DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-10-16   
408-300 9 San Jose: South DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-07-20   

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

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