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 EarningsFeed.
Source: Earnings Feed research · 11/23/2025
Latest Filings
- 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Jan 23, 8:20 AM ET251.8 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jan 22, 11:59 AM ET799.6 KB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Jan 22, 8:14 AM ET19.9 KB - 8-KUniti Group Inc.$UNIT
Uniti Group Inc. 8-K
Jan 22, 6:01 AM ET243.7 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jan 21, 7:20 PM ET19.8 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jan 21, 7:18 PM ET18.2 KB - 8-KSHENANDOAH TELECOMMUNICATIONS CO/VA/$SHEN
SHENANDOAH TELECOMMUNICATIONS CO/VA/ 8-K
Jan 21, 5:58 PM ET205.6 KB - 8-KUniti Group Inc.$UNIT
Uniti Group Inc. 8-K
Jan 21, 8:32 AM ET242.2 KB - 8-KFrontier Communications Parent, Inc.$FYBR
Frontier Communications Parent, Inc. 8-K
Jan 20, 9:31 AM ET705.7 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Jan 20, 9:21 AM ET426.3 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Jan 20, 6:25 AM ET25.6 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Jan 20, 6:09 AM ET23.2 KB - 6-KKT CORP$KT
KT CORP 6-K
Jan 20, 6:06 AM ET23.7 KB - 8-KUniti Group Inc.$UNIT
Uniti Group Inc. 8-K
Jan 16, 6:07 AM ET235.3 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jan 15, 5:28 PM ET15.1 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jan 15, 4:21 PM ET29.6 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jan 14, 4:15 PM ET250.1 KB - 8-KTELEPHONE & DATA SYSTEMS INC /DE/$TDS
TELEPHONE & DATA SYSTEMS INC /DE/ 8-K
Jan 13, 4:14 PM ET248.6 KB - 8-K/ANextPlat Corp$NXPL
NextPlat Corp 8-K/A
Jan 13, 9:05 AM ET266.2 KB - 8-K/AGlobalTech Corp$GLTK
GlobalTech Corp 8-K/A
Jan 12, 5:28 PM ET2.0 MB - 8-KGlobalTech Corp$GLTK
GlobalTech Corp 8-K
Jan 12, 4:57 PM ET179.1 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jan 12, 4:43 PM ET42.3 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Jan 12, 4:15 PM ET430.6 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Jan 12, 3:59 PM ET31.6 KB - 6-KTELEFONICA S A$TEF
TELEFONICA S A 6-K
Jan 12, 7:10 AM ET69.1 KB - 6-K/ATELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K/A
Jan 9, 7:32 PM ET238.9 KB - 6-K/ATELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K/A
Jan 9, 7:30 PM ET106.3 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jan 9, 6:08 PM ET105.3 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Jan 9, 6:03 PM ET237.7 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jan 9, 5:03 PM ET682.9 KB - 8-KLumen Technologies, Inc.$LUMN
Lumen Technologies, Inc. 8-K
Jan 9, 4:39 PM ET271.7 KB - 8-KUniti Group Inc.$UNIT
Uniti Group Inc. 8-K
Jan 8, 4:20 PM ET236.5 KB - 8-KSurgePays, Inc.$SURG
SurgePays, Inc. 8-K
Jan 7, 4:55 PM ET291.8 KB - 13F-HRCenturyLink Investment Management Co
CenturyLink Investment Management Co 13F-HR
Jan 7, 4:21 PM ET4.3 KB - 8-KAnterix Inc.$ATEX
Anterix Inc. 8-K
Jan 7, 7:30 AM ET142.5 KB - 6-KPERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK$TLK
PERUSAHAAN PERSEROAN PERSERO PT TELEKOMUNIKASI INDONESIA TBK 6-K
Jan 7, 7:04 AM ET65.4 KB - 8-KLumen Technologies, Inc.$LUMN
Lumen Technologies, Inc. 8-K
Jan 5, 8:53 PM ET244.1 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Jan 2, 5:52 PM ET18.0 KB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Dec 31, 11:05 AM ET63.0 KB - 8-KGlobalTech Corp$GLTK
GlobalTech Corp 8-K
Dec 30, 7:31 PM ET133.9 KB
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
AirGate PCS, Inc. /Merger/
CIK 0001317606
ALAMOSA HOLDINGS INC
CIK 0001120102
ALASKA COMMUNICATIONS SYSTEMS GROUP INC
CIK 0001089511
ALASKA COMMUNICATIONS SYSTEMS HOLDINGS INC
CIK 0001089510
Classification
- SIC Code
- 4813
- Total Issuers
- 532
- Recent Filings
- 40