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: CMBRMAWA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-221 A Quincy MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-226 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-286 A Charlestown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-309 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128   2005-01-21   
617-340 A Newton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-391 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-409 A Chelsea MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-410 A Everett MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-844 A Cambridge MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
617-903 A Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-244 A Lynn MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-349 A Norwood MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-352 A Norwood MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-362 A Burlington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-404 A Woburn MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-475 A Medford MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-514 A Needham MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-521 A Saugus MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-664 A Braintree MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-737 A Canton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-801 A Dedham MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-810 A Waltham MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-815 A Randolph MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-859 A Arlington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-879 A Lexington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-905 A Malden MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-914 A Wakefield MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-974 A Weymouth MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-223 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-228 A Watertown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-229 A Newton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-574 A East Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 A Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-520 A Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-599 A Salem MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-968 A Peabody MA 3370 CTC COMMUNICATIONS CORP. - MA 128      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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