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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-487 A Brookline MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-487 0 Brookline MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-487 1 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-487 2 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
617-487 3 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
617-487 4 Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-487 5 Brookline MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-487 6 Brookline MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-487 7 Brookline MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
617-487 8 Brookline MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-487 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.