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: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-547 A Lincoln MO LNCLMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-547 0 Lincoln MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-547 1 Lincoln MO   073H TELNYX LLC 524   2020-08-01   
660-547 2 Lincoln MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-547 3 Lincoln MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-547 7 Lincoln MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-11-04   
660-547 9 Lincoln MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.