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: CHTWMABFDS2

1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-215 2 Lexington MA 966C DSCI, LLC 128   2017-04-14   
339-222 5 Waltham MA 966C DSCI, LLC 128   2005-04-10   
339-244 5 Bryantville MA 966C DSCI, LLC 128   2009-05-29   
339-293 5 Melrose MA 966C DSCI, LLC 128   2005-04-10   
339-469 5 Rockland MA 966C DSCI, LLC 128   2006-03-30   
339-900 5 Marshfield MA 966C DSCI, LLC 128   2017-04-16   
508-205 5 Easton MA 966C DSCI, LLC 128   2006-08-11   
508-283 5 Framingham MA 966C DSCI, LLC 128   2006-06-30   
508-315 5 Natick MA 966C DSCI, LLC 128   2005-04-03   
508-322 3 Wareham MA 966C DSCI, LLC 128   2006-05-22   
508-443 5 Bridgewater MA 966C DSCI, LLC 128   2007-01-02   
508-484 5 Brockton MA 966C DSCI, LLC 128   2006-06-30   
508-488 5 Milford MA 966C DSCI, LLC 128   2006-06-05   
508-530 5 Franklin MA 966C DSCI, LLC 128   2007-06-01   
508-556 5 Worcester MA 966C DSCI, LLC 128   2006-06-30   
508-573 5 Marlboro MA 966C DSCI, LLC 128   2005-04-10   
508-599 5 Westboro MA 966C DSCI, LLC 128   2005-04-10   
508-617 5 Fall River MA 966C DSCI, LLC 128   2006-09-03   
508-619 5 Dennis MA 966C DSCI, LLC 128   2007-03-18   
508-657 2 Bellingham MA 966C DSCI, LLC 128   2005-10-01   
508-686 5 Hopkinton MA 966C DSCI, LLC 128   2005-10-01   
508-809 5 North Attleboro MA 966C DSCI, LLC 128   2005-09-23   
508-815 5 Hyannis MA 966C DSCI, LLC 128   2006-06-30   
508-844 4 Taunton MA 966C DSCI, LLC 128   2005-10-01   
508-886 5 Rutland MA 966C DSCI, LLC 128   2008-02-16   
508-895 5 Brockton MA 966C DSCI, LLC 128   2017-01-24   
508-906 3 Medfield MA 966C DSCI, LLC 128   2007-09-22   
508-919 5 Northboro MA 966C DSCI, LLC 128   2005-04-10   
508-948 4 Westboro MA 966C DSCI, LLC 128   2006-11-23   
508-952 5 Norton MA 966C DSCI, LLC 128   2008-08-17   
508-964 5 Mansfield MA 966C DSCI, LLC 128   2011-11-11   
508-985 6 New Bedford MA 966C DSCI, LLC 128   2006-06-30   
617-206 5 Brighton MA 966C DSCI, LLC 128   2005-04-10   
617-209 5 Belmont MA 966C DSCI, LLC 128   2005-04-10   
617-307 5 South Boston MA 966C DSCI, LLC 128   2005-04-10   
617-318 5 Roxbury MA 966C DSCI, LLC 128   2013-12-06   
617-379 5 Dorchester MA 966C DSCI, LLC 128   2005-04-10   
617-391 9 Boston MA 966C DSCI, LLC 128   2008-07-18   
617-396 5 Brookline MA 966C DSCI, LLC 128   2005-04-10   
617-398 5 Charlestown MA 966C DSCI, LLC 128   2005-04-10   
617-401 4 Cambridge MA 966C DSCI, LLC 128   2007-08-05   
617-405 5 Quincy MA 966C DSCI, LLC 128   2005-04-03   
617-409 5 Chelsea MA 966C DSCI, LLC 128   2006-11-27   
617-502 6 Boston MA 966C DSCI, LLC 128   2007-04-28   
617-516 5 Roxbury MA 966C DSCI, LLC 128   2005-04-10   
617-533 9 Dorchester MA 966C DSCI, LLC 128   2012-01-20   
617-545 6 Everett MA 966C DSCI, LLC 128   2013-05-31   
617-545 8 Everett MA 966C DSCI, LLC 128   2017-04-14   
617-553 5 Jamaica Plain MA 966C DSCI, LLC 128   2006-05-13   
617-607 5 Watertown MA 966C DSCI, LLC 128   2006-09-14   

1 2 3 4 >>

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.