Area code 607, Telephone prefix in Southern Tier, New York, US.
Area code 607 is a telephone prefix covering fifteen counties in the southern part of New York, including Binghamton, Ithaca, and Elmira. It spans a wide region between the Pennsylvania border and the Finger Lakes, linking urban centers with rural communities.
The prefix was created in 1954 when the existing area code 315 was split to give the southern part of the state its own designation. This division reflected growing population and rising demand for telephone lines in the region.
The area code region connects multiple educational institutions, including Cornell University in Ithaca and Binghamton University in the Southern Tier.
Since October 2021, all calls within the region require ten-digit dialing, meaning the area code must precede the local number. This change applies to both landline and mobile phones and affects all calls made in the area.
The numbering plan holds more than 500 different prefixes ranging from 607-200 to 607-999, serving over 200 towns and communities. Each combination is assigned based on the needs of telephone companies and local carriers.
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