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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
781-859 A Arlington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-859 1 Arlington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-879 A Lexington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-879 1 Lexington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-905 A Malden MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-905 1 Malden MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-914 A Wakefield MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-914 1 Wakefield MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-914 4 Wakefield MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-974 A Weymouth MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-974 1 Weymouth MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
781-996 6 Waltham MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-206 7 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-209 3 Cambridge MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-214 3 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-217 3 Dorchester MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-223 A Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-223 1 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-228 A Watertown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-228 1 Watertown MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-229 A Newton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-229 1 Newton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-246 6 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-248 4 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-264 4 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-268 4 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-268 5 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-277 6 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-300 6 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-327 4 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-383 2 Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-383 3 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-399 1 Roxbury MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-453 5 Boston MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
857-524 1 South Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-559 2 Brighton MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-574 A East Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-574 8 East Boston MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-728 2 Jamaica Plain MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
857-995 1 Somerville MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 A Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 1 Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 2 Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-284 2 Wilmington MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-284 6 Wilmington MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-284 8 Wilmington MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-306 A Salem MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-306 6 Salem MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-485 3 Salem MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-520 A Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-520 0 Wilmington MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-530 0 Peabody MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-599 A Salem MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-599 1 Salem MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-616 1 Winchendon MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-818 A Peabody MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-818 6 Peabody MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-818 8 Peabody MA 4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
978-968 A Peabody MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-968 1 Peabody MA 3370 CTC COMMUNICATIONS CORP. - MA 128      
978-968 2 Peabody MA 3370 CTC COMMUNICATIONS CORP. - MA 128      

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

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