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: FRMNMARWPS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-294 A Everett MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
617-744 A Watertown MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
617-916 A Newton MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
617-944 A Everett MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-281 A Woburn MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-365 A Burlington MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-369 A Winchester MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-373 A Waltham MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-435 A Stoneham MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-558 A Saugus MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-587 A Wakefield MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-605 A Malden MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-620 A Melrose MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-629 A Revere MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-772 A Wellesley MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-777 A Arlington MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-779 A Reading MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-790 A Waltham MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-874 A Medford MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-990 A Marblehead MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
857-404 A Newton MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2007-09-30   
978-447 A Wilmington MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
978-594 A Salem MA 6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.