List of area code overlays


List of area code overlays

__NOTOC__An area code overlay is a North American area code which is located in the same geographic location as at least one other area code. They are determined and regulated as part of the North American Numbering Plan to increase the number of available phone numbers in a province, state or region.Haar, Dan and Vanessa Hua. [http://www.areacode-info.com/headline/1999/ct990818.htm "Regulators Have Area Code Plan"] . "The Courant". August 18 1999. Accessed October 28 2005.]

List of area code overlays

Expand list|date=August 2008The North American Numbering Plan Administration maintains the definitive list of overlay plans of current and proposed area codes and overlays in the United States. [ [http://www.nanpa.com/area_codes/index.html NANPA : Number Resources - NPA (Area) Codes ] ]

Current

*224 overlays 847 in the northern suburbs of Chicago, Illinois.
*226 overlays 519 in Southwestern Ontario.
*234 overlays 330 in the Akron-Canton and Warren-Youngstown areas in Ohio.
*240 overlays 301 in the Washington, D.C. suburbs and panhandle of Maryland.
*267 overlays 215 in the greater Philadelphia area and its surrounding suburbs.
*281 and 832 overlay 713 in Greater Houston. Originally, 281 was a pure geographic split from 713, but when 832 was added as an overlay, 281 was converted to an overlay.
*289 overlays 905 in the Greater Toronto Area, Hamilton and the Niagara Peninsula in Ontario.
*321 is used in part as an overlay of 407 in Orlando, Florida.
*331 overlays 630 in the western suburbs of Chicago, Illinois.
*339 overlays (parts of) 781 in Massachusetts.
*347, in 718 areas for the Bronx and Queens boroughs of New York City.Madison, Linc. [http://www.lincmad.com/locator.html "LincMad's Area Code Locator Table"] . "LincMad". September 29 2005. Accessed October 28 2005.]
*351 overlays 978 in Massachusetts.
*424 overlays 310 in the southwestern part of Los Angeles County, California effective August 26, 2006.
*430 overlays 903 in northeast Texas.
*443 overlays 410 in Baltimore, its suburbs, and the Eastern Shore of Maryland.
*438 overlays 514 on the Island of Montreal, Quebec.
*469 and 972 overlay 214 in the eastern portion of the Dallas/Fort Worth Metroplex (including the city of Dallas). As in the Houston situation discussed above, 972 was originally a geographic split from 214, but was converted to an overlay once 469 was implemented.
*484 overlays 610 in eastern and parts of southeastern Pennsylvania.
*551 overlays 201 in northeastern New Jersey.
*567 overlays 419 in northwest Ohio, including Toledo and Lima.
*571 overlays 703 in Northern Virginia.
*646, in the area code 212 areas for the Manhattan borough of New York City.
*647 overlays 416 in the City of Toronto, Ontario.
*657 overlays 714 in northern Orange County, California.
*678 overlays both 404 and 770 in metro Atlanta.
*682 overlays 817 in the western part of the Dallas-Fort Worth Metroplex, including the city of Fort Worth.
*720 overlays 303 in the Denver, Colorado area.
*754 overlays 954 in the Fort Lauderdale, Florida area.
*774 overlays (parts of) 508 in Massachusetts.
*778 is a concentrated overlay of 604, serving only the Greater Vancouver Regional District and Abbotsford, with the remaining portions of 604 not overlaid. 778 will eventually overlay 250 and 604 in their entireties.
*779 overlays 815 in Northern and North Central Illinois. Some of the larger cities affected are Rockford, Freeport, and Kankakee.
*786 is a concentrated overlay of area code 305 in Miami-Dade County, Florida. It does not include the 305-only Florida Keys.
*848 overlays 732 in central New Jersey.
*857 overlays (parts of) 617 in Massachusetts including Boston, Cambridge, Woburn.
*862 overlays 973 in northern New Jersey.
*878 overlays 412 and 724 in metro Pittsburgh.
*917, mostly for cellular phones, pagers, and voicemail in both 212/646 and 718/347 areas.
*947 overlays 248 in Oakland County, Michigan.
*971 is a concentrated overlay of area code 503 in northwestern Oregon, including the Portland and Salem areas. On April 27 2008, the coastal area of Clatsop and Tillamook Counties, which had previously been exempted from the overlay and used only 503, were added to the overlay.
*980 overlays 704 in the Charlotte metropolitan region.

Proposed

*236 proposed as a future overlay in British Columbia after 778 is exhausted.
*Area code 385 will overlay 801 in Utah, starting as early as March 2009. [ [http://publicutilities.utah.gov/area-code-overlay.html Utah Division of Public Utilities ] ]
*Area code 447 is planned for overlay of 217, with no precise time frame for integration.
*Area code 464 is also reserved for 708, to be integrated once the original area code is exhausted.
*470 will supplement the 678 overlay already present for 404 and 770 in Metro Atlanta. The new area code has existed since 2001-09-02, but will not be used until all assignable 678 NXX codes are exhausted. [ [http://www.nationalnanpa.com/pdf/pl-nanp-269.pdf NANPA PL-269] ] .
*475 planned to overlay Connecticut area code 203.
*564 planned for Washington area code 253; this plan is suspended, as 253 is not estimated for exhaust until 2025. [http://www.nanpa.com/reports/NPA_Relief_Activity_Status_Report_110107.pdf]
*587 will overlay area code 403 in southern Alberta and area code 780 in northern Alberta (Canada) effective September 1, 2008.
*Area Code 679, planned to overlay 734 in Michigan.
*825 proposed as a future overlay in Alberta after 587 is exhausted.
*835 proposed to overlay 610 and 484. This plan has been suspended by the Pennsylvania Public Utilities Commission. [ [http://www.puc.state.pa.us/telecom/areacode/se_area_code.aspx Area Codes in Southeast Pennsylvania ] ]
*959, for 860 areas. Proposed 1999, but withdrawn.
*Area code 984 is planned for overly of 919. This was originally planned in 2001 to take place in 2002, but has been postponed due to implementation of number pooling.

ee also

Overlay plan

References


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