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]

NXX: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-276 A Hyde Park MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-276 0 Hyde Park MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-276 1 Hyde Park MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128      
617-276 2 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-276 3 Hyde Park MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-276 4 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-276 5 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-276 6 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-276 7 Hyde Park MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-276 8 Hyde Park MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-276 9 Hyde Park MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.