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.

Switch: LCRSWIXCIMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-986 8 Lime Ridge WI 508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-29   
608-987 7 Mineral Point WI 508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-29   
779-253 7 South Beloit IL 508J CENTURYLINK COMMUNICATIONS, LLC 354   2014-12-26   

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

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