The 415 area code was created in 1947 as one of the original three area codes in California. The 415 area code has been split three times: in 1959 to create the 408 area code, in 1991 to create the 510 area code, and in 1997 to create the 650 area code.
The 707 area code was created in 1959 when it split off the 415 area code. The 707 area code serves portions of Del Norte, Glenn, Humboldt, Lake, Marin, Mendocino, Napa, Solano, Sonoma, Tehama and Trinity Counties.
Additional information: Decision 22 05 018 209 area code overlay press release 209 area code webcast 209 area code presentation Background The 209 area code was created in 1958 when it was split off the 415 area code. In 1997, the 209 area code was split to form the 559 area code.
415 Area Code & 628 Area Code Marin 707 Area Code "lay elm o
Tasked with the authority granted by the FCC, the CPUC conducts area code relief and enforces number conservation in California in accordance with Public Utilities Code Section 7930 7943. California currently has 40 area codes.
History The 209 area code was created in 1958 when it was split from the 415 area code. The 209 was split in 1997 which created the 559 area code. Implementation of thousand block number pooling helped to extend the life of the area code. The 209 now has a limited number of available prefixes remaining.
When asking for someone’s number, remember to ask for the area code, too. Remember that the previous area code and the new area code will co exist within the same geographic region. The 209 area code was created when it split off the 415 area code in 1958. It was split again in 1997 to form the 559 area code.
707 AREA CODE Mendocino WILLITS FORT BRAGG POTTER VLY MENDOCINO UPPER UKIAH LAKE CLERLAOAKS ELK NICE BOONVILLE LAKEPORT Lake
Background In 1959, the 408 area code was created when it was split off from the 415 area code. The 408 area code was reduced in size in 1999 when San Benito County and most of Monterey County and Santa Cruz County were split from the 408 and assigned the 831 new area code.
Provide your area code and telephone number, not just the telephone number, as needed. When asking for someone’s number, remember to ask for the area code, too. Remember that the previous area code and the new area code will co exist within the same geographic region. The 707 area code was created when it split off the 415 area code in 1959.
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