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: 792K CHARTER IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
931-954 5 Manchester TN   470   2009-10-26   
936-270 0 Conroe TX   560   2016-07-23   
938-248 4 Jacksonville AL   476   2025-11-09   
938-282 1 Anniston AL   476   2025-11-30   
938-380 2 Ohatchee AL   476   2026-04-05   
938-410 2 Red Bay AL   477   2023-12-24   
938-421 1 Oden Ridge AL   477   2023-04-07   
938-426 1 Leighton AL   477   2022-01-16   
938-444 2 Decatur AL   477   2020-03-15   
938-732 4 Ranburne AL   438   2022-04-10   
938-787 1 Veto AL   470   2024-12-15   
940-218 A Denton TX   552      
940-218 1 Denton TX   552   2013-05-09   
940-218 2 Denton TX   552   2013-09-21   
940-218 6 Denton TX   552   2014-08-10   
940-240 4 Argyle PPCP TX   552   2018-05-05   
940-279 A Lake Dallas TX   552      
940-279 1 Lake Dallas TX   552   2010-08-05   
940-279 4 Lake Dallas TX   552   2016-08-12   
940-326 9 Lake Dallas TX   552   2006-12-01   
940-435 A Denton TX   552      
940-435 0 Denton TX   552   2007-05-19   
940-441 1 Justin TX   552   2019-02-24   
940-479 4 Ponder TX   552   2025-12-22   
940-498 2 Lake Dallas EMS TX   552   2008-08-27   
940-498 7 Lake Dallas EMS TX   552   2009-04-05   
940-514 A Denton TX   552      
940-514 0 Denton TX   552   2016-07-14   
940-514 1 Denton TX   552   2016-05-20   
940-514 7 Denton TX   552   2018-09-02   
940-808 A Denton TX   552      
940-808 0 Denton TX   552   2006-03-25   
940-808 1 Denton TX   552   2006-10-13   
943-205 7 Tallapoosa GA   438   2023-09-14   
943-237 1 Concord GA   438   2024-04-27   
943-333 2 Lula GA   438   2024-08-04   
943-404 9 Zebulon GA   438   2024-03-10   
945-745 2 Royse City TX   552   2022-06-19   
945-766 9 Terrell TX   552   2022-01-23   
952-236 0 Twin Cities MN   628   2006-12-14   
952-236 8 Twin Cities MN   628   2007-06-29   
952-236 9 Twin Cities MN   628   2007-12-09   
952-255 8 Twin Cities MN   628   2006-10-06   
952-378 4 Twin Cities MN   628   2010-12-27   
952-388 1 Twin Cities MN   628   2008-07-18   
952-456 0 Twin Cities MN   628   2017-12-31   
952-595 6 Twin Cities MN   628   2016-10-16   
952-683 1 Twin Cities MN   628   2012-09-21   
952-683 9 Twin Cities MN   628   2014-03-10   
970-276 8 Hayden CO   656   2006-06-20   

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

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