Frontier — Number Ranges, OCNs & Bulk Identification

How to identify Frontier numbers at scale: operating company numbers (OCNs), state coverage, and line types across 11 analyzed Frontier numbers.

OCNs used by Frontier

Operating Company Numbers (OCNs) identify the carrier behind a number in LRN/LERG data. Frontier numbers map to these OCNs most often:

OCNNumbers analyzed
92144
03281
06151
07791
01211
13671
43441
10151

Frontier coverage by state

StateNumbers analyzed
WV4
IL1
IN1
MN1
FL1
OH1
TX1
NY1

Frontier line types

Line typeNumbers analyzed
RBOC6
ILEC5

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