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.

OCN: 1494 UPSALA COOP. TEL. ASSN.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
320-573 A Upsala MN UPSLMN03RS0  626      

Last updated: Sat, 26 Aug 2023 16:14:14 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.