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: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
213-681 3 Los Angeles: DA 07 CA IRVNCASM1MD  730   2022-07-25   
213-681 8 Los Angeles: DA 07 CA IRVNCASM1MD  730   2022-07-25   
213-807 A Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-807 1 Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-807 8 Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-835 A Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-835 1 Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-835 2 Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-835 9 Los Angeles: DA 10 CA IRVNCASM1MD  730      
213-873 A Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 0 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 1 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 2 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 4 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 5 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-873 8 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-986 A Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-986 0 Los Angeles: DA 01 CA IRVNCASM1MD  730      
213-986 1 Los Angeles: DA 01 CA IRVNCASM1MD  730      
214-379 A Dallas TX DLLSTXHW6MD  552      
214-383 8 Allen TX DLLSTXHW6MD  552   2007-07-15   
214-412 1 Grand Prairie EMS TX DLLSTXHW6MD  552   2007-06-26   
214-416 8 Dallas TX DLLSTXHW6MD  552   2013-09-19   
214-440 5 Plano TX DLLSTXHW6MD  552   2005-08-29   
214-469 0 Frisco TX DLLSTXHW6MD  552   2007-06-27   
214-483 7 Carrollton TX DLLSTXHW6MD  552   2005-08-29   
214-504 7 McKinney TX DLLSTXHW6MD  552   2005-08-29   
214-612 1 Red Oak TX DLLSTXHW6MD  552   2010-12-23   
214-699 3 Dallas Fort Worth Airport TX DLLSTXHW6MD  552   2010-12-23   
279-218 A Sacramento: North DA CA SCRMCA0121Z  726      
279-218 5 Sacramento: North DA CA SCRMCA0121Z  726   2022-07-29   
279-218 6 Sacramento: North DA CA SCRMCA0121Z  726   2022-07-29   
279-229 A Sacramento: Main DA CA SCRMCA0121Z  726      
279-229 4 Sacramento: Main DA CA SCRMCA0121Z  726   2022-07-25   
279-229 8 Sacramento: Main DA CA SCRMCA0121Z  726   2022-07-25   
281-306 8 Splendora TX HSTNTXPB6MD  560   2010-12-23   
281-756 6 Alvin TX HSTNTXPB6MD  560   2010-12-23   
281-766 6 Pinehurst TX HSTNTXPB6MD  560   2010-12-23   
281-803 3 Tomball TX HSTNTXPB6MD  560   2007-07-21   
281-907 5 Spring TX HSTNTXPB6MD  560   2007-07-21   
281-977 A Houston Suburban TX HSTNTXPB6MD  560      
281-977 0 Houston Suburban TX HSTNTXPB6MD  560      
281-977 1 Houston Suburban TX HSTNTXPB6MD  560      
281-977 2 Houston Suburban TX HSTNTXPB6MD  560      
281-977 3 Houston Suburban TX HSTNTXPB6MD  560      
281-977 4 Houston Suburban TX HSTNTXPB6MD  560      
281-977 5 Houston Suburban TX HSTNTXPB6MD  560      
281-977 6 Houston Suburban TX HSTNTXPB6MD  560      
281-977 7 Houston Suburban TX HSTNTXPB6MD  560      
281-977 8 Houston Suburban TX HSTNTXPB6MD  560      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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