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: 880

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-880 A Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 0 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 1 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 2 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 3 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 4 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 5 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 6 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 7 Boston MA BSTNMACODS0  7135 TC SYSTEMS, INC. 128      
617-880 8 Boston MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-880 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.