Area code 364 was a proposed area code to serve western Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

, including the cities of Madisonville

Madisonville, Kentucky

Madisonville is a city in Hopkins County, Kentucky, United States of the Western Coal Field region, located along US 41 and The Pennyrile Parkway. The population was 19,307 at the 2000 census. It is the county seat of Hopkins County. The city was named in honor of U.S...

, Hopkinsville

Hopkinsville, Kentucky

Hopkinsville is a city in Christian County, Kentucky, United States. The population was 31,577 at the 2010 census. It is the county seat of Christian County.- History :...

, Henderson

Henderson, Kentucky

Henderson is a city in Henderson County, Kentucky, United States, along the Ohio River in the western part of the state. The population was 27,952 at the 2010 census. It is part of the Evansville Metropolitan Area often referred to as "Kentuckiana", although "Tri-State Area" or "Tri-State" are more...

, Murray

Murray, Kentucky

Murray is a city in Calloway County, Kentucky, United States. The population was 17,741 at the 2010 census and has a micropolitan area population of 37,191. It is the 22nd largest city in Kentucky...

, and Paducah

Paducah, Kentucky

Paducah is the largest city in Kentucky's Jackson Purchase Region and the county seat of McCracken County, Kentucky, United States. It is located at the confluence of the Tennessee River and the Ohio River, halfway between the metropolitan areas of St. Louis, Missouri, to the west and Nashville,...

 and the Kentucky portion of the Fort Campbell

Fort Campbell

Fort Campbell is a United States Army installation located astraddle the Kentucky-Tennessee border between Hopkinsville, Kentucky, and Clarksville, Tennessee...

 Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 base. The canceled proposal was for it to be created by splitting Area code 270

Area code 270

Area code 270 currently serves the U.S. state of Kentucky's western counties. Area code 270 was split off area code 502 in April 1999.In September and October 2006, state officials announced that the area code would run out of numbers in late 2007....

 along the counties through which the Pennyrile Parkway

Pennyrile Parkway

The Edward T. Breathitt Pennyrile Parkway is a controlled-access highway from Henderson to Hopkinsville, Kentucky. The parkway begins at Henderson as a continuation of the limited-access U.S. Route 41 at exit 81; the northernmost three miles of the Pennyrile Parkway are signed as US 41...

 passes.

On May 31, 2007, the Kentucky Public Service Commission

Kentucky Public Service Commission

The Kentucky Public Service Commission is a public utilities commission, a quasi-judicial regulatory tribunal, whichregulates the intrastate rates and services of investor-owned electric, natural gas, telephone, water and sewage utilities, customer-owned electric and telephone cooperatives, water...

 (PSC) announced that 270 would be split, with area code 364 serving western Kentucky, and area code 270 serving west-central Kentucky. This announcement indicated that permissive dialing of the new area code would begin on April 1, 2008, with mandatory dialing to the new area code on October 1, 2008. http://psc.ky.gov/agencies/psc/press/052007/0531_r01.pdf

The PSC did note in the announcement that mandatory number pooling

Number pooling

Number pooling is a method of reallocating telephony numbering space in the North American Numbering Plan, primarily in growth areas in the United States....

, recently imposed on the region, could delay the implementation of the new code. Since the announcement, there have been several such delays.http://psc.ky.gov/agencies/psc/press/062007/0613_r01.pdfhttp://psc.ky.gov/agencies/psc/press/062007/0615_r01.pdfhttp://psc.ky.gov/agencies/psc/press/112007/1109_r01.pdfhttp://psc.ky.gov/agencies/psc/press/032008/0331_r01.pdf

On August 13, 2010, the PSC announced that the 270/364 area code split is to be completely postponed until further notice.http://www.psc.ky.gov/pscscf/2006%20cases/2006-00357/20100813_PSC_ORDER.PDF NeuStar-NANPA, the telecom industry numbering assignment body also announced this postponement in its Planning Letter 408 dated August 19, 2010.http://www.nanpa.com/pdf/PL_408.pdf In December 2010, the split plan was canceled. Relief has since been suspended, although the code remains available for future use when necessary, with a possibility being a future overlay

Overlay plan

In telephony, especially in North America, an overlay plan is the practice of introducing a new area code by applying it onto a geographic area that is already occupied by one or more existing area codes, resulting in two area codes serving the same area.- Methodology :Prior to the introduction of...

of 270.

It is currently projected that area code 270 will not exhaust until 2014.