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.

Springfield, MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
413-351 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2007-05-07   
413-351 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2007-07-05   
413-351 7   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-351 8   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-351 9   990E BANDWIDTH.COM CLEC, LLC - MA 126      
413-352 A SPFDMAWOX4Y  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 126      
413-352 0   892D ONVOY, LLC - MA 126   2023-08-09   
413-352 1   7135 TC SYSTEMS, INC. 126   2023-02-26   
413-352 2   7135 TC SYSTEMS, INC. 126   2023-02-26   
413-352 3   7135 TC SYSTEMS, INC. 126   2023-02-26   
413-352 4   7135 TC SYSTEMS, INC. 126   2023-02-26   
413-352 5   892D ONVOY, LLC - MA 126   2023-08-09   
413-352 6   624H ONVOY SPECTRUM, LLC 126   2025-10-14   
413-352 7   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 126   2023-01-20   
413-352 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 126   2023-01-20   
413-352 9   892D ONVOY, LLC - MA 126   2023-08-09   
413-355 A SPFDMAATAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126      
413-355 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2010-07-11   
413-355 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2012-09-28   
413-355 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2010-11-19   
413-355 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2010-11-19   
413-355 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2010-11-19   
413-355 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 126   2011-10-17   
413-355 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2011-08-15   
413-355 7   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2012-09-28   
413-355 8   5562 METROPCS, INC. 126   2011-05-16   
413-355 9   5562 METROPCS, INC. 126   2011-05-16   
413-361 A SPFDMAWOY0X  425J CSC WIRELESS, LLC 126      
413-361 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-10-04   
413-361 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-10-04   
413-361 2   425J CSC WIRELESS, LLC 126   2020-04-17   
413-361 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   
413-361 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   
413-361 5   892D ONVOY, LLC - MA 126   2023-08-09   
413-361 6   624H ONVOY SPECTRUM, LLC 126   2020-07-03   
413-361 7   624H ONVOY SPECTRUM, LLC 126   2020-07-03   
413-361 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2022-04-11   
413-361 9   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2022-06-13   
413-363 A SPFDMAPM4MD  318J COMCAST IP PHONE, LLC 126      
413-363 0   318J COMCAST IP PHONE, LLC 126   2005-12-22   
413-363 1   318J COMCAST IP PHONE, LLC 126   2006-11-11   
413-363 2   318J COMCAST IP PHONE, LLC 126   2006-11-11   
413-363 3   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2008-02-03   
413-363 4   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2008-04-13   
413-363 5   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2008-04-13   
413-363 6   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2008-06-22   
413-363 7   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2008-06-22   
413-363 8   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2010-08-07   
413-363 9   318J COMCAST IP PHONE, LLC 126      
413-364 A SPFDMAWOXCY  6889 OMNIPOINT MIAMI E LICENSE, LLC 126      
413-368 A SPFDMAWOXFX  116E INTRADO COMMUNICATIONS, LLC 126      
413-368 0   116E INTRADO COMMUNICATIONS, LLC 126   2020-05-16   
413-368 1   116E INTRADO COMMUNICATIONS, LLC 126   2020-05-16   
413-368 2   318J COMCAST IP PHONE, LLC 126   2020-11-12   
413-368 3   318J COMCAST IP PHONE, LLC 126   2020-11-12   
413-368 4   318J COMCAST IP PHONE, LLC 126   2020-11-12   
413-368 5   318J COMCAST IP PHONE, LLC 126   2020-11-12   
413-368 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   
413-368 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   
413-368 8   116E INTRADO COMMUNICATIONS, LLC 126   2020-05-16   
413-368 9   116E INTRADO COMMUNICATIONS, LLC 126   2020-05-16   
413-372 A   829J PAETEC ITEL, LLC 126      
413-372 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2014-11-08   
413-372 1   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2015-07-22   
413-372 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2013-10-11   
413-372 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2013-10-11   
413-372 4   318J COMCAST IP PHONE, LLC 126   2013-08-30   
413-372 5   318J COMCAST IP PHONE, LLC 126   2012-11-25   
413-372 6   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2014-06-10   
413-372 7   508J CENTURYLINK COMMUNICATIONS, LLC 126   2015-04-21   
413-372 8   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 126   2013-11-30   
413-372 9   829J PAETEC ITEL, LLC 126   2012-11-03   
413-374 A SPFDMAATAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126      
413-381 A SPFDMAWOXHX  506J TWILIO INTERNATIONAL, INC. 126      
413-381 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2022-02-10   
413-381 1   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2022-02-10   
413-381 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 3   506J TWILIO INTERNATIONAL, INC. 126   2020-12-21   
413-381 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-381 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2021-03-12   
413-382 A   829J PAETEC ITEL, LLC 126      
413-386 A SPFDMAWOXCY  6889 OMNIPOINT MIAMI E LICENSE, LLC 126      
413-386 0   6889 OMNIPOINT MIAMI E LICENSE, LLC 126   2010-08-07   
413-386 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2013-09-09   
413-386 2   5562 METROPCS, INC. 126   2005-10-16   
413-386 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2007-01-04   
413-386 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2008-03-03   
413-386 5   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2008-03-03   
413-386 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2007-08-02   
413-386 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2006-05-02   
413-386 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2006-05-02   
413-386 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2006-05-02   
413-389 A SPFDMAWOXGX  515J IP HORIZON LLC 126      
413-389 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   
413-389 1   515J IP HORIZON LLC 126   2020-10-30   
413-389 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2020-12-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.