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: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-212 A Dorchester MA   5562 METROPCS, INC. 128      
857-212 0 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 1 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 2 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 3 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 4 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 5 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 6 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 7 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 8 Dorchester MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-212 9 Dorchester MA   5562 METROPCS, INC. 128      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.