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: 208 [Rate centres in NPA 208] [Dial plan for NPA 208]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
208-483 A Irwin ID DRGSIDMADS2  2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS 652      
208-483 0 Irwin ID BOISIDMAXEY  6565 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID 652   2021-09-06   
208-483 1 Irwin ID BOISIDMAXEY  6565 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID 652   2022-10-16   
208-483 2 Irwin ID DRGSIDMADS2  2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS 652      
208-483 3 Irwin ID DRGSIDMADS2  2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS 652      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.