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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-18-065326
Filing Date
2018-11-01
Accepted
2018-11-01 11:00:46
Documents
51
Period of Report
2018-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q a18-18977_110q.htm 10-Q 681720
2 EX-31.1 a18-18977_1ex31d1.htm EX-31.1 13560
3 EX-31.2 a18-18977_1ex31d2.htm EX-31.2 13092
4 EX-32.1 a18-18977_1ex32d1.htm EX-32.1 6101
5 EX-32.2 a18-18977_1ex32d2.htm EX-32.2 6091
  Complete submission text file 0001104659-18-065326.txt   4250849

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT ccoi-20180930.xml EX-101.INS 1141527
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ccoi-20180930.xsd EX-101.SCH 29074
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ccoi-20180930_cal.xml EX-101.CAL 35915
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ccoi-20180930_def.xml EX-101.DEF 93281
10 XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT ccoi-20180930_lab.xml EX-101.LAB 274393
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ccoi-20180930_pre.xml EX-101.PRE 203278
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.: 181152617
SIC: 4899 Communications Services, NEC
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