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.

NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-442 3 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 4 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 5 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 6 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 7 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 8 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-442 9 Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 A Worcester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
774-443 0 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 1 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 2 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 3 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 4 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 5 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 6 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 7 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 8 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-443 9 Worcester MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-03-03   
774-444 A Brockton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
774-444 0 Brockton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-09-21   
774-444 1 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-06-16   
774-444 2 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-06-16   
774-444 3 Brockton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-09-21   
774-444 4 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-02-08   
774-444 5 Brockton MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2007-02-08   
774-444 6 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-03-10   
774-444 7 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-09-10   
774-444 8 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-01-12   
774-444 9 Brockton MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-02-04   
774-445 A Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-445 0 Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2021-01-07   
774-445 1 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-09-18   
774-445 2 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-27   
774-445 3 Marlboro MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-10-22   
774-445 4 Marlboro MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-04-23   
774-445 5 Marlboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-10   
774-445 6 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-445 7 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-445 8 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-445 9 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-446 A Southbridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-446 0 Southbridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-11-04   
774-446 1 Southbridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-12-31   
774-446 2 Southbridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-12   
774-446 3 Southbridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-03   
774-446 4 Southbridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-07-02   
774-446 5 Southbridge MA   5562 METROPCS, INC. 128   2024-07-28   
774-446 6 Southbridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-11   
774-446 7 Southbridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-11   
774-446 8 Southbridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-02-03   
774-446 9 Southbridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2021-08-05   
774-447 A Vineyard Haven MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-447 0 Vineyard Haven MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
774-447 1 Vineyard Haven MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
774-447 2 Vineyard Haven MA   515J IP HORIZON LLC 128   2002-02-05   
774-447 3 Vineyard Haven MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-08-14   
774-447 4 Vineyard Haven MA   515J IP HORIZON LLC 128   2007-08-24   
774-447 5 Vineyard Haven MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-11-25   
774-447 8 Vineyard Haven MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
774-447 9 Vineyard Haven MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-05-25   
774-448 A Milford MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
774-448 0 Milford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2021-09-11   
774-448 1 Milford MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2021-09-11   
774-448 2 Milford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
774-448 3 Milford MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2021-02-04   
774-448 4 Milford MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-02-15   
774-448 5 Milford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
774-448 6 Milford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
774-448 8 Milford MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
774-448 9 Milford MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-12-20   
774-449 A North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 0 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 1 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 2 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 3 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 4 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 5 North Brookfield MA   829J PAETEC ITEL, LLC 128      
774-449 6 North Brookfield MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-03-31   
774-449 7 North Brookfield MA   515J IP HORIZON LLC 128   2015-10-24   
774-449 8 North Brookfield MA OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2008-05-25   
774-449 9 North Brookfield MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
774-450 A West Boylston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
774-450 0 West Boylston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-06-25   
774-450 1 West Boylston MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2010-01-18   
774-450 2 West Boylston MA   829J PAETEC ITEL, LLC 128   2007-09-03   
774-450 3 West Boylston MA   829J PAETEC ITEL, LLC 128   2006-07-25   
774-450 4 West Boylston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2002-10-21   
774-450 5 West Boylston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-08-19   
774-450 6 West Boylston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
774-450 7 West Boylston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-05   
774-450 8 West Boylston MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
774-450 9 West Boylston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
774-451 A Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-451 0 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-03-02   
774-451 1 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-08-03   
774-451 2 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-08-03   
774-451 3 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-04-16   
774-451 4 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-05-09   
774-451 5 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-06-11   
774-451 6 Fall River MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-07-02   

<< 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.