NPA
NXX
CLLI
City, ST
Telco
214
260
DLLSTXSQDS1
IRVING
XO TEXAS INC.
214
291
DLLSTXSQDS1
PLANO
XO TEXAS INC.
469
574
DLLSTXSQDS1
CARROLLTON
XO TEXAS INC.
817
796
DLLSTXSQDS1
GRAPEVINE
XO TEXAS INC.