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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-855 A Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-855 0 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-10-21   
978-855 1 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-03-08   
978-855 2 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-09-18   
978-855 3 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   
978-855 4 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-02   
978-855 5 Fitchburg MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-12-02   
978-855 6 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-855 7 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-855 8 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-855 9 Fitchburg MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.