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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OCN: 792K CHARTER IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
815-904 7 Rockford IL   360   2007-06-18   
815-957 0 Rockton IL   360   2007-06-18   
815-957 1 Rockton IL   360   2012-09-03   
815-974 2 Hebron IL   358   2024-06-09   
816-293 7 Archie MO   524   2024-11-10   
816-481 A Lonejack MO   524      
816-481 1 Lonejack MO   524   2021-12-05   
816-515 2 East Lynne MO   524   2023-11-12   
816-720 1 Kingsville MCA5 MO   524   2022-12-17   
816-732 7 Holden MO   524   2021-10-31   
816-755 2 Garden City MO   524   2024-11-10   
816-948 A Odessa MO   524      
816-948 6 Odessa MO   524   2021-10-31   
817-221 6 Reno EMS TX   552   2008-08-25   
817-225 2 Mansfield TX   552   2005-12-25   
817-225 4 Mansfield TX   552   2012-08-27   
817-225 6 Mansfield TX   552   2007-07-07   
817-238 3 Fort Worth TX   552   2005-12-25   
817-330 3 Kennedale TX   552   2005-12-25   
817-341 6 Weatherford EMS TX   552   2008-04-21   
817-349 A Fort Worth TX   552      
817-349 8 Fort Worth TX   552   2006-08-21   
817-349 9 Fort Worth TX   552   2011-10-23   
817-353 2 Fort Worth TX   552   2017-12-10   
817-367 9 Fort Worth TX   552   2013-03-29   
817-386 A Fort Worth TX   552      
817-386 0 Fort Worth TX   552   2007-06-02   
817-386 2 Fort Worth TX   552   2006-10-10   
817-386 3 Fort Worth TX   552   2006-11-16   
817-386 4 Fort Worth TX   552   2006-12-07   
817-386 5 Fort Worth TX   552   2007-01-15   
817-386 7 Fort Worth TX   552   2007-03-02   
817-386 9 Fort Worth TX   552   2007-07-13   
817-393 3 North Richland Hills TX   552   2016-08-12   
817-393 7 North Richland Hills TX   552   2018-10-01   
817-395 1 Glendale TX   552   2017-07-23   
817-405 1 Mansfield TX   552   2020-09-27   
817-406 4 Azle TX   552   2007-07-28   
817-420 6 Fort Worth TX   552   2013-06-21   
817-420 9 Fort Worth TX   552   2007-10-01   
817-439 9 Fort Worth TX   552   2013-08-16   
817-449 2 Arlington EMS TX   552   2005-12-25   
817-479 3 North Richland Hills TX   552   2005-12-15   
817-479 4 North Richland Hills TX   552   2012-09-02   
817-479 6 North Richland Hills TX   552   2006-09-11   
817-479 7 North Richland Hills TX   552   2007-04-14   
817-479 8 North Richland Hills TX   552   2007-12-07   
817-489 5 Fort Worth TX   552   2017-10-29   
817-507 3 Glendale TX   552   2005-12-25   
817-510 3 Euless TX   552   2005-12-25   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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