Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTWTXUFPS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-840 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-840 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-840 6 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-05-20   
281-846 2 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2009-08-24   
281-846 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2009-08-24   
281-898 7 Apollo TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2008-02-15   
281-901 5 Houston Suburban TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-03-01   
281-901 6 Houston Suburban TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-03-01   
346-312 2 Houston Suburban TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2015-07-25   
346-426 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2020-01-04   
346-542 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
346-542 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2022-03-06   
346-542 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2022-03-06   
346-786 3 Spring TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2020-10-26   
346-786 5 Spring TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2020-10-26   
713-231 1 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-11-14   
713-258 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
713-258 9 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2008-01-18   
713-456 2 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-04-28   
713-456 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-07-23   
713-456 7 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-07-23   
713-490 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
713-513 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2004-09-25   
713-588 1 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-10-25   
713-588 2 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-10-25   
713-588 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-10-25   
713-588 8 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2010-10-25   
713-730 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-08-24   
713-730 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-08-24   
713-730 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-08-24   
713-758 0 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-07-15   
713-793 6 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-07-15   
713-820 9 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2007-07-15   
713-904 2 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-02-15   
713-904 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-02-15   
713-904 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-02-15   
713-904 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-02-15   
713-969 3 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-01-13   
713-969 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-01-13   
713-969 5 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560   2012-01-13   
832-200 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-201 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-202 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-202 0 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-202 1 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-202 2 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-203 A Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-203 0 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-203 1 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      
832-203 4 Houston TX 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 560      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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