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: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-406 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-406 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-406 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-406 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-406 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-406 7 Boston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
857-406 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-406 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-407 A Roxbury MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-407 0 Roxbury MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-407 1 Roxbury MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-407 2 Roxbury MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-407 3 Roxbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-407 4 Roxbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-407 5 Roxbury MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-407 6 Roxbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-407 7 Roxbury MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128      
857-407 8 Roxbury MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-407 9 Roxbury MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-408 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 2 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 4 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 5 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-408 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 0 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 1 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 2 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-409 3 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-409 4 Boston MA CMBRMABE5MD  551G NUSO, LLC 128      
857-409 5 Boston MA CMBRMABE5MD  551G NUSO, LLC 128      
857-409 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 7 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 8 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-409 9 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-410 A Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-410 0 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-410 1 Charlestown MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-410 2 Charlestown MA BSTPMALLOMD  073H TELNYX LLC 128      
857-410 3 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-410 4 Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-410 5 Charlestown MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-410 6 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-410 7 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-410 8 Charlestown MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
857-410 9 Charlestown MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 A Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 0 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 1 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 2 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 6 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 8 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-412 9 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-413 A Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-413 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-413 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-413 2 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-413 3 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-413 4 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-413 5 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-413 6 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-413 7 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-413 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-413 9 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-414 A Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 0 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 1 Brighton MA BSTPMALLOMD  073H TELNYX LLC 128      
857-414 2 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 3 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 4 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 5 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 6 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 7 Brighton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
857-414 8 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-414 9 Brighton MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-415 A Boston MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
857-415 0 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-415 1 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-415 2 Boston MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128      
857-415 3 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-415 4 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-415 5 Boston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
857-415 6 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-415 7 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-415 8 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-415 9 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-416 A Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
857-416 0 Boston MA   939H COMMIO, LLC 128      
857-416 1 Boston MA   892D ONVOY, LLC - MA 128      
857-416 2 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-416 3 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

<< 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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.