NPA
NXX
CLLI
City, ST
Telco
580
317
HUGOOKMARS1
HUGO
SOUTHWESTERN BELL
580
326
HUGOOKMARS1
HUGO
SOUTHWESTERN BELL
580
372
OKCYOKFB00W
HUGO
KMC TELECOM V INC. - OK
580
743
HUGOOKMARS1
HUGO
SOUTHWESTERN BELL
719
743
HUGOCOXCDS0
HUGO
EASTERN SLOPE RURAL TELEPHONE ASSOCIATION INC.