NPA
NXX
CLLI
City, ST
Telco
281
343
SMLKTXSMDS0
SMITHERSLK
SOUTHWESTERN BELL
281
545
SMLKTXSMDS0
SMITHERSLK
SOUTHWESTERN BELL
281
937
SMLKTXSMDS0
SMITHERSLK
SOUTHWESTERN BELL
832
583
HSTWTXBIDS0
SMITHERSLK
TEX-LINK COMMUNICATIONS INC. - TX
832
735
HSTNTXYADS0
SMITHERSLK
FOCAL COMMUNICATIONS CORPORATION OF TEXAS