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.
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Switch: PNBLARJEXNY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
870-556 A Pine Bluff AR 490J BOOST SUBSCRIBERCO L.L.C. 530      
870-556 9 Pine Bluff AR 490J BOOST SUBSCRIBERCO L.L.C. 530   2022-06-09   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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