Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-533 4 Arlington TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-533 5 Arlington TX   624H ONVOY SPECTRUM, LLC 552   2024-07-07   
817-533 6 Arlington TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-533 7 Arlington TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-533 8 Arlington TX   903C ONVOY, LLC - TX 552   2013-10-09   
817-533 9 Arlington TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-534 A Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-535 A Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-535 0 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 1 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 2 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 3 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 4 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 5 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 6 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 7 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 8 Fort Worth TX   9533 SOUTHWESTERN BELL 552      
817-535 9 Fort Worth TX   5562 METROPCS, INC. 552   2014-12-26   
817-536 A Fort Worth TX FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-537 A Atlas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2025-01-23   
817-537 0 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 2 Atlas TX   516C AT&T CORP. 552   2006-05-02   
817-537 3 Atlas TX   903C ONVOY, LLC - TX 552   2021-02-14   
817-537 5 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 7 Atlas TX   829J PAETEC ITEL, LLC 552      
817-537 9 Atlas TX   829J PAETEC ITEL, LLC 552      
817-538 A Arlington TX DLLTTXID1MD  5562 METROPCS, INC. 552      
817-538 0 Arlington TX   6529 T-MOBILE USA, INC. 552      
817-538 1 Arlington TX   5562 METROPCS, INC. 552      
817-538 2 Arlington TX   5562 METROPCS, INC. 552      
817-538 3 Arlington TX   5562 METROPCS, INC. 552      
817-538 4 Arlington TX   5562 METROPCS, INC. 552      
817-538 5 Arlington TX   516C AT&T CORP. 552   2006-07-07   
817-538 6 Arlington TX   5562 METROPCS, INC. 552      
817-538 7 Arlington TX   5562 METROPCS, INC. 552      
817-538 8 Arlington TX   5562 METROPCS, INC. 552      
817-538 9 Arlington TX   516C AT&T CORP. 552   2009-11-29   
817-539 A Mansfield TX FTWOTXBRDS0  9533 SOUTHWESTERN BELL 552      
817-539 0 Mansfield TX   9533 SOUTHWESTERN BELL 552      
817-539 1 Mansfield TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2003-01-06   
817-539 2 Mansfield TX   9533 SOUTHWESTERN BELL 552   2008-02-01   
817-539 3 Mansfield TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-07-16   
817-539 4 Mansfield TX   7421 AT&T - LOCAL 552   2003-10-22   
817-539 5 Mansfield TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-07-17   
817-539 6 Mansfield TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-01-01   
817-539 7 Mansfield TX   9533 SOUTHWESTERN BELL 552   2007-01-26   
817-539 8 Mansfield TX   903C ONVOY, LLC - TX 552   2004-04-04   
817-539 9 Mansfield TX   516C AT&T CORP. 552   2014-11-17   
817-540 A Euless EMS TX FTWOTXEUDS0  9533 SOUTHWESTERN BELL 552      
817-540 0 Euless EMS TX   9533 SOUTHWESTERN BELL 552      

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

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