440 Area Code

Area Code Overview

Area code 440 is a geographic telephone area code in Ohio that went into service on August 16, 1997. The geographic regions covered by this area code overlay has a population of approximately 1,247,222.

Overlay and Dialing Rules

  • Area Code: 440
  • State: Ohio
  • Type: General Purpose Code
  • In Service Date: August 16, 1997
  • Overlay Complex: 436/440
  • Local Dialing Plan: This area does require you to dial the area code when calling locally.

Estimated Number of Assigned Phone Numbers in Area Code 440

This area code is ranked 105th out of 363 nationwide in estimated assigned phone numbers. Within the state territory it serves, it is ranked 4th out of 14.

6,120,000

Estimated Service-Type Mix of Assigned Phone Numbers in Area Code 440

Total assigned 6,120,000
Wireless
2,536,000 assigned
41.44%
Wireline and VoIP
3,022,000 assigned
49.38%
Other / Unclassified
562,000 assigned
9.18%

Estimated Share of Wireless Numbers Originally Assigned to Each Carrier in Area Code 440

Estimated assigned wireless phone numbers: 2,536,000

Numbers may later be ported to another carrier, but this chart reflects original number assignment, not current subscriber share.

Verizon Wireless 1,738,000 (68.53%)
T-Mobile 428,000 (16.88%)
AT&T Wireless 370,000 (14.59%)

Estimated Share of Wireline and VoIP Numbers Originally Assigned to Each Carrier in Area Code 440

Estimated assigned wireline and VoIP phone numbers: 3,022,000

AT&T 829,000 (27.43%)
Onvoy 706,000 (23.36%)
Spectrum 280,000 (9.27%)
Bandwidth 224,000 (7.41%)
Lumen 191,000 (6.32%)
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 157,000 (5.20%)
WINDSTREAM WESTERN RESERVE, INC. 129,000 (4.27%)
WINDSTREAM OHIO, LLC 110,000 (3.64%)
TERRA NOVA TELECOM INC. 77,000 (2.55%)
Peerless Network 68,000 (2.25%)
PAETEC ITEL, LLC 58,000 (1.92%)
Telnyx 52,000 (1.72%)

Other / Unclassified Assigned Numbering in Area Code 440

Estimated assigned other or unclassified phone numbers: 562,000

SPOK, INC. 140,000 (24.91%)
BRIGHTSPEED OF OHIO, LLC 113,000 (20.11%)
TELEPORT COMMUNICATIONS AMERICA, LLC - OH 66,000 (11.74%)
AMERICAN MESSAGING SERVICES, LLC 50,000 (8.90%)
CONNEAUT TEL. CO. 30,000 (5.34%)
HANSON COMMUNICATIONS OF OHIO, LLC-ORWELL 30,000 (5.34%)
IP HORIZON LLC 27,000 (4.80%)
TON80 COMMUNICATIONS, LLC 27,000 (4.80%)
FIRST COMMUNICATIONS, LLC 25,000 (4.45%)
BRIGHTSPEED OF NORTHWEST OHIO, INC. 20,000 (3.56%)
SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 20,000 (3.56%)
HD CARRIER LLC 6,000 (1.07%)

How These Figures Were Built

These figures are estimates based on public phone-number assignment records. They are meant to show the likely mix of assigned phone numbers associated with area code 440, not live customer counts.

Some providers may have assigned phone numbers tied to this area code even if they do not actively market or sell service locally. These figures reflect public number-assignment records, not confirmed local service availability.

They also do not reflect number portability at the individual phone-number level, so some numbers may now be used on a different network or by a different provider than the original assignment records suggest.

Population data and locality matching provided by GeoNames.

Last refreshed: April 15, 2026 6:22 pm