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: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-340 A Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 0 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 1 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 2 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 3 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 4 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 5 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 6 Silverdale WA BLHMWA033MD  5562 METROPCS, INC. 674      
360-340 7 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-340 8 Silverdale WA BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2003-10-15   
360-340 9 Silverdale WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2007-04-13   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.