Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-556 A Marlboro MA MRBOMALBDS0  736H PACOPTIC NETWORKS, LLC - MA 128      
774-556 0 Marlboro MA MRBOMALBDS0  736H PACOPTIC NETWORKS, LLC - MA 128   2016-04-11   
774-556 1 Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-04-30   
774-556 2 Marlboro MA NWTNMAWAVMD  318J COMCAST IP PHONE LLC 128   2018-06-27   
774-556 3 Marlboro MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2016-07-13   
774-556 4 Marlboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-11-27   
774-556 5 Marlboro MA CHTWMABFDS2  966C DSCI, LLC 128   2017-07-01   
774-556 6 Marlboro MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-19   
774-556 7 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-15   
774-556 8 Marlboro MA MRBOMALBDS0  736H PACOPTIC NETWORKS, LLC - MA 128   2016-04-11   
774-556 9 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-15   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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