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Area code 607
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Area code 607 is a telephone area code in the North American Numbering Plan for the U.S. state of New York. It serves parts of its Southern Tier, which borders Pennsylvania. The numbering plan area (NPA) was created in 1954 by combining a southern part of 315 and an eastern part of 716.
History
[edit]When the American Telephone and Telegraph Company (AT&T) designed the first nationwide telephone numbering plan in North America in the late 1940s, area codes with the middle digit 0 were assigned only to numbering plan areas that comprised an entire state. Along with 507 in Minnesota and 606 in Kentucky, 607 was among the first such area codes to be created in an area code split. Area code 607 is not only one of only three area codes in the state of New York to have yet to be overlaid, along with 585 and 914, but is still the only area code in the state to have not needed exhaustion relief.
Prior to October 2021, area code 607 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021.[1]
Service area
[edit]See also
[edit]References
[edit]- ^ "Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)" (PDF). North American Numbering Plan Administrator. January 8, 2021. Retrieved March 9, 2021.
External links
[edit]
| North: 315 | ||
| West: 585, 716 | 607 | East: 518, 845 |
| South: 570/272, 814/582 | ||
| Pennsylvania area codes: 215/267/445, 412, 570/272, 610/484/835, 717/223, 724, 814/582, 878 | ||
42°20′N 75°52′W / 42.34°N 75.86°W
 | This New York state location article is a stub. You can help Wikipedia by expanding it. |
 | This article related to a telephone area code is a stub. You can help Wikipedia by expanding it. |
Area code 607
View on Grokipediafrom Grokipedia
Area code 607 is a telephone area code in the North American Numbering Plan serving south-central New York State, United States, primarily covering the Southern Tier region and portions of the Finger Lakes.[1] It encompasses parts of 12 counties, including Broome, Chemung, Chenango, Cortland, Delaware, Otsego, Schuyler, Steuben, Tioga, and Tompkins, with a total population of approximately 745,000 residents (2020 Census).[2] The area code includes major cities and towns such as Binghamton (the largest city and county seat of Broome County), Ithaca (home to Cornell University and Ithaca College in Tompkins County), Elmira (in Chemung County), Cortland, Oneonta, Endicott, Corning, Hornell, and Watkins Glen.[3] The entire region operates in the Eastern Time Zone (ET), with standard time at UTC-5 and daylight saving time (EDT) from March to November.[4]
Established in 1954 as the 95th area code in the North American Numbering Plan, 607 was created through a split of the southern portion of area code 315 and the eastern portion of area code 716 to accommodate growing telephone demand in the region.[1] This made it the sixth area code assigned in New York State, which now has 22 total area codes.[1] Unlike many other codes, 607 has no overlays and remains the sole area code for its geographic area, serving both landline and wireless numbers without additional codes.[5] The region's telecommunications infrastructure supports local calling within its boundaries, with neighboring area codes including 315 to the north and west, 570 in Pennsylvania to the south, and 518 to the east.[1]
In October 2021, mandatory 10-digit dialing (area code plus seven-digit number) was implemented for all local calls within the 607 area to facilitate the nationwide rollout of 988 as the three-digit code for the Suicide & Crisis Lifeline, as required by the Federal Communications Commission for area codes containing the 988 prefix.[6] This change affects all calls previously dialed with seven digits, promoting consistency with national emergency services while preserving the area's numbering resources.[6] No further relief measures, such as splits or overlays, are currently planned for 607, reflecting its stable demand relative to more urbanized regions.[5]
History
Establishment
Area code 607 was established on January 1, 1954, as the 95th numbering plan area within the North American Numbering Plan (NANP), which had been introduced in 1947 to standardize long-distance dialing across the United States and Canada.[7][1] This creation addressed the increasing demand for telephone services in New York State by carving out a new code from existing ones, marking one of the early splits in the NANP's evolution during the 1950s.[1] The area code was formed through a split of the southern portion of area code 315, which originally covered central New York including Syracuse, and the eastern portion of area code 716, which served western New York around Buffalo.[8] This reconfiguration allowed for more efficient allocation of telephone numbers in regions experiencing rapid post-World War II growth, as the number of telephones roughly doubled between 1945 and 1955, driven by economic expansion and suburban development.[9] Initially, area code 607 encompassed the Southern Tier region of New York, a geographically diverse area along the Pennsylvania border characterized by rural farmlands, small cities, and emerging industrial centers.[10] It primarily served communities such as Binghamton, Elmira, Ithaca, and Corning, which had previously been divided between the larger 315 and 716 codes without a unified local identifier, facilitating better management of local calling patterns in these underserved areas.[8]Boundary Adjustments
Since its establishment in 1954, the geographic boundaries of area code 607 have undergone no significant adjustments, maintaining its original coverage of south-central New York, including areas along the Pennsylvania border.[1] Unlike many other North American area codes facing rapid exhaustion due to growth, 607 has avoided splits or overlays, remaining the sole code for its territory as of 2025.[1] This stability persists despite steady increases in telephone number demand, particularly from the proliferation of wireless and VoIP services in the 1990s and 2000s, which have heightened overall usage but not prompted boundary modifications.[11] Current projections indicate central office code exhaustion no earlier than the fourth quarter of 2035 (as of April 2025), deferring any potential relief planning.[12] The transition to mandatory ten-digit local dialing on October 24, 2021, further supported boundary integrity by optimizing resource use in response to the national 988 suicide and crisis lifeline rollout, without necessitating geographic reconfiguration.[13] This change, required for all calls within the 607 region, helped mitigate pressure on available numbers amid technological advancements like mobile portability, preserving the area's single-code structure.[14]Service Area
Counties Served
Area code 607 serves 17 counties in south-central New York, encompassing a diverse geographic area that includes the Southern Tier along the Pennsylvania border, the Finger Lakes region, and portions of the Catskills, with an approximate total land area of 9,500 square miles. The region features a mix of urban centers and extensive rural landscapes, with higher population densities in counties like Broome and Tompkins, while others such as Delaware and Otsego are predominantly rural with agricultural and forested terrains. Proximity to the Pennsylvania line in southern counties like Tioga and Chemung supports regional connectivity, and the overall area is characterized by rolling hills, valleys, and waterways that influence local economies and transportation. Partial coverage in certain counties is confined to specific telephone exchanges, typically in the northern or eastern sections, due to overlapping area codes like 518 and 845. The counties served are as follows:- Allegany County: Partial coverage; a rural county in the western Southern Tier with hilly terrain and forests, bordering Pennsylvania to the south.[15]
- Broome County: Fully covered; features urban density around Binghamton, located directly on the Pennsylvania border with river valleys and suburban development.[1]
- Chemung County: Fully covered; rural with some urban areas near Elmira, along the Chemung River and close to the Pennsylvania line.[1]
- Chenango County: Fully covered; largely rural with rolling hills and farmland in the central part of the service area.[16]
- Cortland County: Fully covered; rural county in the Finger Lakes vicinity, known for its gorges and lakes.[16]
- Delaware County: Fully covered; predominantly rural with mountainous terrain in the Catskills foothills, far from major borders.[16]
- Greene County: Partial coverage (northern exchanges); limited to rural areas near the Hudson Valley, with mountainous and forested landscapes in the Catskills.[17]
- Madison County: Partial coverage (southeastern portions); rural with lakes and hills in the Finger Lakes transition zone.[5]
- Otsego County: Fully covered; rural county with lakes and valleys in the central region, near the Finger Lakes.[16]
- Schoharie County: Partial coverage (western sections); rural with valleys and farms in the Catskills area.[16]
- Schuyler County: Fully covered; rural Finger Lakes county with steep gorges and Seneca Lake proximity.[16]
- Seneca County: Partial coverage (southern portions); rural with flat farmlands and Cayuga Lake in the Finger Lakes heartland.[18]
- Steuben County: Fully covered; rural Southern Tier county with hills and the Chemung Valley, bordering Pennsylvania.[1]
- Sullivan County: Partial coverage (western exchanges); rural Catskills area with mountains and lakes, away from major borders.[17]
- Tioga County: Fully covered; rural with valleys along the Pennsylvania border in the Southern Tier.[1]
- Tompkins County: Fully covered; mix of urban (Ithaca) and rural areas around Cayuga Lake in the Finger Lakes.[1]
- Ulster County: Partial coverage (western sections); limited to rural Hudson Valley edges with forested hills in the Catskills.[17]