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In 1997, 440 and 740 were added in additional area code splits. In 2000, 234, and in 2002, 567 were added as overlays. In 2015, area code 740 was overlaid with 220, relieving its rapid depletion. In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay ...
Area code 440 was established on August 16, 1997, in a three-way split of area code 216, one of the original North American area codes, [1] to provide relief from central office prefix exhaustion from increasing popularity of cellular phones and population pressure. [2]
Ohio's population growth lags that of the entire United States, and whites are found in a greater density than the U.S. average. As of 2000, Ohio's center of population is located in Morrow County, [134] in the county seat of Mount Gilead. [135] This is approximately 6,346 feet (1,934 m) south and west of Ohio's population center in 1990. [134]
The average population of Ohio's counties was 133,931; Franklin County was the most populous (1,326,063) and Vinton County was the least (12,474). The average land area is 464 sq mi (1,200 km 2 ). The largest county by area is Ashtabula County at 702.44 sq mi (1,819.3 km 2 ), and its neighbor, Lake County , is the smallest at 228.21 sq mi (591. ...
View history; General What links here; Related changes; Upload file; Special pages; Permanent link; ... List of Ohio area codes; 0–9. Area code 216; Area codes 330 ...
Area code 740 was established by an area code split of area code 614 on November 8, 1997. [1] By the end of 2013, exhaust studies indicated that the 740 area code would run out of telephone numbers sometime in 2015. The Public Utilities Commission of Ohio chose a relief plan by implementing an overlay with new area code 220, effective April 22 ...
Area code 234 was assigned to overlap existing area code 330. With the creation of area code 234, any new phone number in the geographical area formerly covered by area code 330 could be assigned a phone number in either the 234 or 330 area codes, with no change in local or long distance toll status. This made necessary the use of ten-digit ...
2023: returned to the pool of area codes available for future area code relief; 457: Louisiana (Shreveport–Bossier City, Monroe, Alexandria, Fisher, Tallulah, and most of northern Louisiana) September 25, 2025 [3] to be overlaid on 318; previously a fictitious area code assigned to identify Naked DSL/Dry Loop and dedicated data lines in ...