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: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-504 A Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 0 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 1 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 2 Springfield MA SPFDMAWOXCY  5562 METROPCS, INC. 126      
413-504 3 Springfield MA SPFDMAWOCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126      
413-504 4 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 5 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 6 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 7 Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 8 Springfield MA SPFDMAWOXCY  5562 METROPCS, INC. 126      
413-504 9 Springfield MA SPFDMAWOXCY  5562 METROPCS, INC. 126      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.