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.

Switch: CMBRMAORDSG

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-252 A Ashburnham MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-274 A Acton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-277 A Templeton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-286 A Sterling MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-293 A Hudson MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-301 A Petersham MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-319 A Lowell MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-330 A Billerica MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-331 A Maynard MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-364 A Lowell MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-381 A Gloucester MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-401 A Leominster MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-416 A Lawrence MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-451 A Concord MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-480 A Townsend MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-518 A Newburyport MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-558 A Bolton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-574 A Athol (Franklin County) MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-595 A Peabody MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-607 A Salem MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-608 A Billerica MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-613 A Petersham MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-615 A Ayer MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-616 A Winchendon MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-627 A Fitchburg MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-631 A Acton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-633 A Orange MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-636 A Barre MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-653 A Hamilton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-662 A Andover MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-666 A Salem MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-673 A Orange MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-705 A Danvers MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-707 A Harvard MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-710 A Lowell MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-712 A Beverly MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-717 A Peabody MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-735 A Lowell MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-746 A Lowell MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-767 A Danvers MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-775 A Andover MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-776 A Concord MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-780 A Athol MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-800 A Littleton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-801 A Essex MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-812 A Townsend MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-819 A West Newbury MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-820 A Hubbardston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-841 A Maynard MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 A Groton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

<< 1 2 3 4 5 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.