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]

Block: A

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-612 A Watertown MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-613 A Cambridge MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-614 A Newton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-615 A Milton MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-616 A Somerville MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-618 A 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      
617-622 A 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      
617-632 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      
617-635 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      
617-638 A Boston MA BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-639 A Quincy MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-640 A Dedham MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-641 A Newton MA NWTNMAWARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-642 A Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-643 A Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-644 A Newton MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-645 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-646 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-647 A Cambridge MA WOBNMADW2MD  9748 AMERICAN MESSAGING SERVICES, LLC 128      
617-648 A Boston MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-649 A Cambridge MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-650 A Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-651 A Brookline MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-652 A Roxbury MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-653 A Quincy MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-654 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-655 A Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-656 A Newton MA NWTNMAWARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-657 A Quincy MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-658 A Newton MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-659 A Newton MA NWTNMAWAPS1  9102 VERIZON NEW ENGLAND INC. 128      
617-660 A Chelsea MA CHLSMACHDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-661 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-662 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-663 A Newton MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128      
617-664 A Boston MA BSTNMAFRDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-665 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-666 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-667 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-668 A Watertown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-669 A Charlestown MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-670 A Boston MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-671 A Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-672 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-673 A Watertown MA WTTWMAWCDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-674 A Cambridge MA CHTWMABF0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-675 A Hyde Park MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-676 A Jamaica Plain MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-677 A Brookline MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
617-678 A Newton MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-679 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-680 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-681 A Charlestown MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-682 A Cambridge MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
617-683 A Boston MA BSTNMABEDS2  9102 VERIZON NEW ENGLAND INC. 128      
617-684 A Somerville MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-685 A Cambridge MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-686 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-687 A Quincy MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-688 A Kingston MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-689 A Quincy MA QNCYMAHADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-690 A Milton MA BSTPMALLRMD  8345 GLOBAL CROSSING LOCAL SERVICES, INC. - MA 128      
617-691 A Quincy MA BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
617-692 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-693 A Cambridge MA CMBRMABEDS1  9102 VERIZON NEW ENGLAND INC. 128      
617-694 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-695 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128      
617-696 A Milton MA MLTNMAADDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-697 A Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-698 A Milton MA MLTNMAADDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-699 A Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-701 A South Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-702 A Somerville MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-703 A Cambridge MA WOBNMADW2MD  9748 AMERICAN MESSAGING SERVICES, LLC 128      
617-704 A Dorchester MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-705 A Hyde Park MA HYPKMAHARP0  9102 VERIZON NEW ENGLAND INC. 128      
617-706 A Quincy MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-707 A Dorchester MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      
617-708 A Roxbury MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-710 A Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-712 A Charlestown MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-713 A Brookline MA BKLIMAMADS1  9102 VERIZON NEW ENGLAND INC. 128      
617-714 A Cambridge MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-715 A Cambridge MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      

<< 1 2 3 4 5 6 7 8 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.