Area Code 220 in Ohio: Coverage, Cities, and Telecom Details
Area code 220 is an essential part of the telecommunications infrastructure in southeastern and central Ohio. This guide provides detailed insights into its geographic coverage, major cities served, technical specifications, and regulatory framework.
What is Area Code 220?
Area code 220 is an overlay for area code 740, designed to address number exhaustion in the region. It was implemented on April 22, 2015, and serves a significant portion of Ohio, excluding Columbus and Franklin County.
Geographic Coverage
Area code 220 covers a diverse range of cities and communities in southeastern and central Ohio. Below are some of the major cities within its jurisdiction:
| City | Latitude | Longitude |
|---|---|---|
| Athens | 39.32924 | -82.10126 |
| Chillicothe | 39.33312 | -82.9824 |
| Delaware | 40.29867 | -83.06797 |
| Lancaster | 39.71368 | -82.59933 |
| Marion | 40.58867 | -83.12852 |
| Newark | 40.05812 | -82.40126 |
| Portsmouth | 38.73174 | -82.99767 |
| Zanesville | 39.94035 | -82.01319 |
Technical Specifications
- NPA Code: 220
- Type: Overlay
- Implementation Date: April 22, 2015
- State: Ohio
Area code 220 is an overlay, meaning it shares the same geographic region as area code 740, allowing for a greater pool of numbers without changing existing numbers.
Regulatory Framework
Area code 220 is regulated by the Public Utilities Commission of Ohio (PUCO). The implementation of this area code follows the North American Numbering Plan Administration (NANPA) guidelines, ensuring that all calls within the region require a full ten-digit dialing format.
Dialing Requirements
- Local Calls: 10-digit dialing
- Toll Calls: 1+10-digit dialing
- Operator Assisted: 0+10-digit dialing
Telecommunications Services
Major Carriers
While specific market share percentages are not provided, area code 220 supports a range of carriers offering:
- Landline Services
- Wireless Services
- VoIP Services
Historical Context
- November 8, 1997: Original area code 740 was created by splitting from area code 614.
- April 22, 2015: Area code 220 was introduced as an overlay to manage number availability.
Conclusion
Area code 220 is crucial for maintaining efficient telecommunications in Ohio, providing ample numbering resources for residents and businesses. Its implementation ensures that the region continues to meet growing communication demands.
For more detailed information on Ohio's area codes, visit Ohio's Telecommunications Overview.