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The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [ 1 ] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...
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The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [1] California area codes were reorganized geographically in 1950, so that 916 was assigned to a numbering plan area that comprised only the ...
Codes: ISO: ISO 3166 codes (2-letter, 3-letter, and 3-digit codes from ISO 3166-1; 2+2-letter codes from ISO 3166-2) ANSI: 2-letter and 2-digit codes from the ANSI standard INCITS 38:2009 (supersedes FIPS 5-2) USPS: 2-letter codes used by the United States Postal Service USCG
The first digit is assigned regionally (for example, ZIP codes beginning with 9 are found in the western coastal states, Alaska, Hawaii, and islands in the Pacific), and ZIP codes with the same first three digits are served by the same USPS sorting facility (which sometimes serve multiple such groupings), so will be geographically clustered ...
L002 3-Digit ZIP Code Prefix Matrix, Effective Date 2017-04-01, from USPS Facility Access and Shipment Tracking (FAST) L005 3-Digit ZIP Code Prefix Groups—SCF Sortation, Effective Date 2017-04-01, from USPS Facilities Access and Shipment Tracking (FAST) G030 Postal Zones; G042 Pricing and Classification Service Center
this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997 was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled
By the early 1960s, a more organized system was needed, and non-mandatory five-digit ZIP Codes were introduced nationwide on July 1, 1963. [4] [5] The USPOD issued its Publication 59: Abbreviations for Use with ZIP Code on October 1, 1963, with the list of two-letter state abbreviations which are generally written with both letters capitalized ...