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: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-421 A Merced CA SKTOCAOY5MD  6529 T-MOBILE USA, INC. 738      
209-421 0 Merced CA SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738      
209-421 1 Merced CA SKTOCAOY5MD  5562 METROPCS, INC. 738      
209-421 2 Merced CA SKTOCAOY5MD  5562 METROPCS, INC. 738      
209-421 3 Merced CA SKTOCAOY5MD  5562 METROPCS, INC. 738      
209-421 4 Merced CA SKTOCAOY5MD  5562 METROPCS, INC. 738      
209-421 5 Merced CA SKTOCAOY5MD  5562 METROPCS, INC. 738      
209-421 6 Merced CA SKTOCAOY5MD  6529 T-MOBILE USA, INC. 738      
209-421 7 Merced CA SKTOCAOY5MD  6529 T-MOBILE USA, INC. 738      
209-421 8 Merced CA SKTOCAOY5MD  6529 T-MOBILE USA, INC. 738      
209-421 9 Merced CA SKTOCAOY5MD  6529 T-MOBILE USA, INC. 738      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.