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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-616 1 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 2 Somerville MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-616 3 Somerville MA   145J TERRA NOVA TELECOM INC. 128      
617-616 4 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 5 Somerville MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-616 6 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 7 Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-616 8 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-616 9 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-618 A Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 0 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 1 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 2 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 3 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-618 4 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-618 5 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-618 6 Newton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-618 7 Newton MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
617-618 8 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-618 9 Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-619 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-620 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-621 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 0 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 1 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 2 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 3 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 4 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-621 5 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 6 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 7 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 8 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-621 9 Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-622 A South Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-622 0 South Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 1 South Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-622 2 South Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-622 3 South Boston MA   624H ONVOY SPECTRUM, LLC 128      
617-622 4 South Boston MA   624H ONVOY SPECTRUM, LLC 128      
617-622 5 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-622 6 South Boston MA   624H ONVOY SPECTRUM, LLC 128      
617-622 7 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-622 8 South Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-622 9 South Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-623 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-624 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-625 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-626 A Boston MA BSTNMABODS2  9102 VERIZON NEW ENGLAND INC. 128      
617-627 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-628 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-629 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-630 A Newton MA NWTNMAWARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-631 A Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 0 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 1 Newton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
617-631 2 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 3 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 4 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 5 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 6 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 7 Newton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-631 8 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-631 9 Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-632 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-633 A Waltham MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-634 A East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 0 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-634 1 East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 2 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-634 3 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-634 4 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-634 5 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-634 6 East Boston MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128      
617-634 7 East Boston MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-634 8 East Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-634 9 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-635 A Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-636 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-637 A Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 0 Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 1 Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 2 Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 3 Jamaica Plain MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-637 4 Jamaica Plain MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-637 5 Jamaica Plain MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-637 6 Jamaica Plain MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-637 7 Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 8 Jamaica Plain MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-637 9 Jamaica Plain MA   5562 METROPCS, INC. 128      
617-638 A Boston MA BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-639 A Quincy MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-639 0 Quincy MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-639 1 Quincy MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
617-639 2 Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-639 3 Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-639 4 Quincy MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-639 5 Quincy MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-639 6 Quincy MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-639 7 Quincy MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-639 8 Quincy MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 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 39 40 41 42 43 44 45 46 47 48 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.