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: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-236 A Black River Falls WI   6701 AERIAL COMMUNICATIONS, INC. 352   2025-03-02   
534-236 0 Black River Falls WI   5562 METROPCS, INC. 352   2025-03-30   
534-236 1 Black River Falls WI   5562 METROPCS, INC. 352   2025-03-30   
534-236 2 Black River Falls WI   5562 METROPCS, INC. 352   2025-03-30   
534-236 7 Black River Falls WI   6701 AERIAL COMMUNICATIONS, INC. 352   2025-03-02   
534-236 8 Black River Falls WI   6701 AERIAL COMMUNICATIONS, INC. 352   2025-03-02   
534-236 9 Black River Falls WI   6701 AERIAL COMMUNICATIONS, INC. 352   2025-03-02   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.