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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-990 A Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-990 0 Leominster MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-990 1 Leominster MA CMBRMABEQMD  321J HD CARRIER LLC 128      
978-990 2 Leominster MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-990 3 Leominster MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-990 4 Leominster MA CMBRMABEQMD  321J HD CARRIER LLC 128      
978-990 5 Leominster MA CMBRMABEQMD  321J HD CARRIER LLC 128      
978-990 6 Leominster MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-990 7 Leominster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-990 8 Leominster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
978-990 9 Leominster MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.