NPA
NXX
CLLI
City, ST
Telco
209
553
SKTNCAMC00W
THORNTON
O1 COMMUNICATIONS INC.-CA
209
794
THTNCA11RS0
THORNTON
PACIFIC BELL
209
796
SKTNCACZDS0
THORNTON
PAC - WEST TELECOMM INC.
254
385
THTNTXXARS1
THORNTON
SPRINT/UNITED TELEPHONE CO. OF TEXAS
641
998
THTNIAXORS9
THORNTON
CITIZENS TELECOM OF IOWA DBA FRONTIER COMM OF IOWA
708
462
LSLEILAADS1
THORNTON
TELEPORT COMMUNICATIONS GROUP - CHICAGO
708
564
EKGVILAADS0
THORNTON
FOCAL COMMUNICATIONS CORP OF ILLINOIS
708
740
BNSVILDGDS0
THORNTON
MCIMETRO ATS INC.
708
874
CHCGILWUDS0
THORNTON
OVATION COMMUNICATIONS OF ILLINOIS INC.
708
877
HRVYILHADS0
THORNTON
AMERITECH ILLINOIS