Local Calling Guide

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Billerica, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
978-964 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-09-10   
978-964 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-987 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-987 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-07-02   
978-987 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-09-02   
978-987 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-04-02   
978-987 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-12-02   
978-987 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-09-01   
978-987 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-04-04   
978-987 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-22   
978-987 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-03-08   
978-987 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-02-03   
978-987 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2008-11-03   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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