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.

Arlington, TX

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-977 1   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 2   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 3   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 4   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 5   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 6   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 7   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 8   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-977 9   7263 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2005-02-03   
817-982 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-982 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-03-15   
817-983 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-983 0 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-983 1 DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-01-30   
817-983 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2011-07-09   
817-983 3 DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2006-01-30   
817-983 4 DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2007-12-17   
817-983 5 DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2010-09-30   
817-983 6 DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2010-09-30   
817-983 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-01-29   
817-983 8 DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-01-20   
817-983 9 DLLTTXID1MD  6529 T-MOBILE USA, INC. 552   2006-01-20   
817-987 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-987 0 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-06-27   
817-987 1   793K TWC IP ENABLED SERVICES, LLC 552      
817-987 2   793K TWC IP ENABLED SERVICES, LLC 552      
817-987 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-13   
817-987 4 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-987 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2011-05-17   
817-987 6 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2011-02-07   
817-987 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-04-21   
817-987 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-04-21   
817-987 9 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-02-11   
817-998 A DLLSTXJP2MD  6630 USA MOBILITY WIRELESS, INC. 552      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.