Telephone Communications (No Radiotelephone)
472 tracked issuers filing with the SEC under this industry classification.
Issuers
472
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 EarningsFeed.
Source: Earnings Feed research · 11/23/2025
Latest Filings
- 8-KLumen Technologies, Inc.$LUMN
Lumen Technologies, Inc. 8-K
Dec 5, 8:30 AM ET245.8 KB - 8-K/AVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K/A
Dec 5, 8:30 AM ET431.9 KB - 8-KIDT CORP$IDT
IDT CORP 8-K
Dec 4, 4:41 PM ET1.3 MB - 6-KAMERICA MOVIL SAB DE CV/$AMX
AMERICA MOVIL SAB DE CV/ 6-K
Dec 3, 7:34 PM ET17.0 KB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Dec 2, 4:13 PM ET19.3 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Dec 2, 4:05 PM ET192.7 KB - 8-KGlobalTech Corp$GLTK
GlobalTech Corp 8-K
Dec 2, 8:15 AM ET1.4 MB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Dec 2, 8:05 AM ET41.7 KB - 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Dec 2, 7:38 AM ET480.7 KB - 6-KKT CORP$KT
KT CORP 6-K
Dec 1, 7:39 PM ET3.1 MB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Dec 1, 12:21 PM ET20.7 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Dec 1, 8:24 AM ET897.3 KB - 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Dec 1, 6:02 AM ET251.9 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Nov 28, 11:32 AM ET18.6 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Nov 28, 9:37 AM ET24.0 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Nov 28, 6:28 AM ET20.2 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Nov 28, 6:23 AM ET19.2 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 28, 6:23 AM ET53.5 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 28, 6:18 AM ET52.7 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Nov 28, 6:04 AM ET33.3 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Nov 26, 2:25 PM ET23.3 KB - 6-KAMERICA MOVIL SAB DE CV/$AMX
AMERICA MOVIL SAB DE CV/ 6-K
Nov 25, 8:53 PM ET541.0 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 25, 4:21 PM ET37.5 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 24, 4:40 PM ET38.6 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Nov 21, 7:38 AM ET47.8 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Nov 20, 4:32 PM ET454.5 KB - 8-KSHENANDOAH TELECOMMUNICATIONS CO/VA/$SHEN
SHENANDOAH TELECOMMUNICATIONS CO/VA/ 8-K
Nov 20, 4:15 PM ET230.0 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Nov 20, 3:56 PM ET23.7 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Nov 20, 2:20 PM ET45.5 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Nov 20, 11:37 AM ET96.3 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Nov 20, 6:36 AM ET39.1 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 19, 4:32 PM ET34.5 KB - 6-KBCE INC$BCE
BCE INC 6-K
Nov 18, 2:34 PM ET41.6 KB - 8-KiQSTEL Inc$IQST
iQSTEL Inc 8-K
Nov 17, 1:01 PM ET215.2 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Nov 17, 12:02 PM ET27.5 KB - 6-KAMERICA MOVIL SAB DE CV/$AMX
AMERICA MOVIL SAB DE CV/ 6-K
Nov 14, 4:59 PM ET13.9 MB - 10-QHIGH WIRE NETWORKS, INC.$HWNI
HIGH WIRE NETWORKS, INC. 10-Q
Nov 14, 4:02 PM ET9.0 MB - 10-QiQSTEL Inc$IQST
iQSTEL Inc 10-Q
Nov 14, 10:01 AM ET9.6 MB - 10-QNuvera Communications, Inc.$NUVR
Nuvera Communications, Inc. 10-Q
Nov 14, 8:01 AM ET7.3 MB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Nov 14, 7:01 AM ET3.0 MB
Featured Issuers
1221ST CENTURY WIRELESS GROUP INC
CIK 0001008115
360 COMMUNICATIONS CO
CIK 0001003959
ACC CORP
CIK 0000783233
Access-Power & Co., Inc.
CIK 0001041588
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
Classification
- SIC Code
- 4813
- Total Issuers
- 472
- Recent Filings
- 40