Telephone Communications (No Radiotelephone)
532 tracked issuers filing with the SEC under this industry classification.
Issuers
532
Filings
40
SIC Code
4813
Industry Overview
Telephone Communications (No Radiotelephone)
The Telephone Communications (No Radiotelephone) industry under SIC 4813 encompasses wireline and fixed-network providers delivering local and long-distance voice, VoIP, and high-capacity data services over copper and increasingly fiber infrastructure. Core offerings include residential landline and broadband bundles, enterprise voice and data circuits, PBX and unified communications, wholesale carrier backhaul, and secure connectivity for government and critical infrastructure clients. Typical customers range from households and small businesses to large corporates, public-sector agencies, and other telecom operators relying on robust, low-latency networks. Operators face heavy capital intensity, pricing pressure from over-the-top apps, cybersecurity and outage risks, and close oversight from regulators on interconnection, service quality, emergency access, and customer privacy. In 2024–2025, the sector is driven by fiber-to-the-premises rollouts, fixed-mobile convergence, cloud-based collaboration tools, and consolidation among regional carriers. Investors and industry analysts can track evolving strategies and risk disclosures by reviewing live SEC filings for SIC 4813 companies on Earnings Feed.
Source: Earnings Feed research · Nov 23
Latest Filings
- 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jul 10, 5:30 PM ET272.6 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Jul 10, 4:45 PM ET188.8 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Jul 10, 4:32 PM ET193.2 KB - 8-KGlobalTech Corp$GLTK
GlobalTech Corp 8-K
Jul 8, 8:00 PM ET162.6 KB - 13F-HRCenturyLink Investment Management Co
CenturyLink Investment Management Co 13F-HR
Jul 6, 5:39 PM ET5.4 KB - 6-KKT CORP$KT
KT CORP 6-K
Jul 6, 6:04 AM ET27.1 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jul 1, 5:22 PM ET29.6 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jul 1, 4:05 PM ET206.7 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Jul 1, 8:23 AM ET41.4 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Jun 29, 6:24 AM ET450.3 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Jun 25, 3:34 PM ET283.1 KB - 10-KAnterix Inc.$ATEX
Anterix Inc. 10-K
Jun 25, 3:05 PM ET16.9 MB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Jun 25, 8:00 AM ET41.8 KB - 8-KNextPlat Corp$NXPL
NextPlat Corp 8-K
Jun 24, 4:08 PM ET173.4 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 24, 3:50 PM ET37.8 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 24, 3:49 PM ET37.4 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 24, 1:14 PM ET50.4 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 24, 1:14 PM ET50.4 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Jun 24, 9:52 AM ET79.5 KB - 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Jun 23, 7:31 AM ET266.7 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jun 22, 5:31 PM ET219.1 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jun 22, 5:30 PM ET871.3 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 22, 12:29 PM ET22.6 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 22, 10:18 AM ET31.3 KB - 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Jun 22, 6:03 AM ET273.7 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Jun 18, 4:38 PM ET18.3 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Jun 18, 10:30 AM ET45.5 KB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Jun 18, 9:18 AM ET24.2 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jun 17, 7:33 PM ET18.9 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jun 17, 7:31 PM ET16.4 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jun 17, 7:31 PM ET35.4 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jun 17, 7:30 PM ET23.7 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Jun 17, 4:23 PM ET271.6 KB - 8-KATN International, Inc.$ATNI
ATN International, Inc. 8-K
Jun 17, 2:19 PM ET215.4 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Jun 17, 8:07 AM ET488.9 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jun 16, 6:56 PM ET48.0 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jun 16, 6:54 PM ET42.8 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jun 16, 6:53 PM ET39.0 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jun 16, 6:51 PM ET36.2 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jun 16, 6:47 PM ET42.4 KB
Featured Issuers
1221ST CENTURY WIRELESS GROUP INC
CIK 0001008115
360 COMMUNICATIONS CO
CIK 0001003959
ACC CORP
CIK 0000783233
ADELPHIA BUSINESS SOLUTIONS INC
CIK 0001017648
AEROTELESIS INC
CIK 0000017544
AIRGATE PCS INC
CIK 0001085302
AIRGATE PCS INC /DE/
CIK 0001086844
ALAMOSA HOLDINGS INC
CIK 0001120102
ALASKA COMMUNICATIONS SYSTEMS GROUP INC
CIK 0001089511
ALASKA COMMUNICATIONS SYSTEMS HOLDINGS INC
CIK 0001089510
ALC COMMUNICATIONS CORP
CIK 0000783425
ALESTRA
CIK 0001098504
Classification
- SIC Code
- 4813
- Total Issuers
- 532
- Recent Filings
- 40