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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-18-030116
Filing Date
2018-05-03
Accepted
2018-05-03 10:04:49
Documents
50
Period of Report
2018-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q a18-7442_110q.htm 10-Q 491623
2 EX-31.1 a18-7442_1ex31d1.htm EX-31.1 13540
3 EX-31.2 a18-7442_1ex31d2.htm EX-31.2 13072
4 EX-32.1 a18-7442_1ex32d1.htm EX-32.1 6078
5 EX-32.2 a18-7442_1ex32d2.htm EX-32.2 6067
  Complete submission text file 0001104659-18-030116.txt   2872641

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT ccoi-20180331.xml EX-101.INS 551148
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ccoi-20180331.xsd EX-101.SCH 30333
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ccoi-20180331_cal.xml EX-101.CAL 34861
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ccoi-20180331_def.xml EX-101.DEF 87593
10 XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT ccoi-20180331_lab.xml EX-101.LAB 268253
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ccoi-20180331_pre.xml EX-101.PRE 193168
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.: 18802150
SIC: 4899 Communications Services, NEC
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