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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-20-121637
Filing Date
2020-11-05
Accepted
2020-11-05 10:40:41
Documents
57
Period of Report
2020-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q ccoi-20200930x10q.htm   iXBRL 10-Q 1637064
2 EXHIBIT 31.1 ccoi-20200930xex31d1.htm EX-31.1 11120
3 EXHIBIT 31.2 ccoi-20200930xex31d2.htm EX-31.2 10943
4 EXHIBIT 32.1 ccoi-20200930xex32d1.htm EX-32.1 5808
5 EXHIBIT 32.2 ccoi-20200930xex32d2.htm EX-32.2 5763
  Complete submission text file 0001104659-20-121637.txt   8021976

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA ccoi-20200930.xsd EX-101.SCH 33411
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE ccoi-20200930_cal.xml EX-101.CAL 56569
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ccoi-20200930_def.xml EX-101.DEF 151341
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE ccoi-20200930_lab.xml EX-101.LAB 361793
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ccoi-20200930_pre.xml EX-101.PRE 273951
11 EXTRACTED XBRL INSTANCE DOCUMENT ccoi-20200930x10q_htm.xml XML 2164420
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Filer) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-51829 | Film No.: 201289192
SIC: 4899 Communications Services, NEC