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: CMBSMA01AMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-319 0 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-01-12   
978-319 1 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2010-07-22   
978-319 2 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-06-08   
978-319 3 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-01-12   
978-319 5 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-07-11   
978-319 8 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2010-09-27   
978-325 A Gloucester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-325 0 Gloucester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-08-13   
978-325 1 Gloucester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-08-13   
978-325 2 Gloucester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-03-26   
978-325 6 Gloucester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-08-22   
978-326 8 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-09-14   
978-340 0 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 1 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 2 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 3 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 4 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 5 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 6 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 7 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-340 8 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-353 9 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-17   
978-364 6 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-08-16   
978-376 A Lawrence MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-387 A Lawrence MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-395 A Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-395 0 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-10-17   
978-395 1 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2002-11-30   
978-395 2 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-04-25   
978-395 3 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-07-02   
978-395 5 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-01-08   
978-395 6 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-05-10   
978-395 7 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2008-08-26   
978-395 9 Peabody MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-08-15   
978-399 4 Westford MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
978-399 8 Westford MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-03-02   
978-399 9 Westford MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2008-11-06   
978-402 5 Concord MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-01-20   
978-402 6 Concord MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-01-20   
978-407 A Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-414 6 Salem MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-02-15   
978-414 7 Salem MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-02-15   
978-424 1 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-424 3 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-424 5 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-424 6 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-424 7 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-424 8 Fitchburg MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2004-02-23   
978-427 1 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2013-03-12   
978-427 3 Lowell MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-11-28   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.