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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. 2-letter codes used by the United States Coast Guard (bold red text shows differences between ANSI and USCG) Abbreviations: GPO. Older variable-length official US Government Printing ...
FIPS state codes were numeric and two-letter alphabetic codes defined in U.S. Federal Information Processing Standard Publication ("FIPS PUB") 5-2 to identify U.S. states and certain other associated areas. The standard superseded FIPS PUB 5-1 on May 28, 1987, and was superseded on September 2, 2008, by ANSI standard INCITS 38:2009.
ISO 3166-2:US. ISO 3166-2:US is the entry for the United States in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently for the United States, ISO ...
The blue area is assigned area codes 301, 240, and 227; the red area is area codes 410, 443 and 667. The state of Maryland is served by the following area codes: Area codes. Numbering plan area. 227.
The branches of Washington, D.C. that extended into Maryland were moved to 207, 208, or 209, and the codes were re-distributed, with all of Montgomery County serving 208 and Prince George's County serving 207. [5] All of the ZIP Codes under the 219 prefix are located in Cecil County, Maryland. Certain prefixes in West Virginia have two main ...
An enlargeable map of the state of Maryland. Names Common name: Maryland. Pronunciation: / ˈ m ɛr əl ə n d / ⓘ Official name: State of Maryland; Abbreviations and name codes Postal symbol: MD; ISO 3166-2 code: US-MD; Internet second-level domain: .md.us; Nicknames America in Miniature [1] Chesapeake State [2] Cockade State [2] Crab State ...
There are 23 counties and one independent city in the U.S. state of Maryland. Though formally an independent city rather than a county, the City of Baltimore is considered the equal of a county for most purposes and is functionally a county-equivalent in most respects. Many of the counties in Maryland were named for relatives of the Barons ...
Area code 301 was the first area code for all of Maryland, from 1947, when the area code system was created, until 1991, when everything from Baltimore eastward split off as area code 410. In 1997, area code 240 was added as an overlay area code for the 301 territory. On June 14, 2023, a third overlay code, 227, was added to provide more ...