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The Chualar post office opened in 1871, closed in 1873, and re-opened in 1874. [6]At a railroad crossing about one mile south of town, a bus carrying Mexican migrant workers collided with a train in September 1963, killing 32 passengers and injuring 25.
Compared with the national average, people who live in ZIP codes with the lowest diagnostic intensity — a measure of how often doctors offer tests and treatments to patients — are 28% less ...
Numbering plan areas in California (blue) and border states. This map is clickable; click on any region shown to visit the page for those area codes. In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes.
As a result, some addresses end up with a ZCTA code that is different from their ZIP code. ZCTAs are not developed for ZIP codes that comprise only a small number of addresses. [3] Several ZCTAs represent ZIPs that no longer exist due to realignment by the USPS. There are approximately 42,000 ZIP Codes and 32,000 ZCTAs.
The Major Diagnostic Categories (MDC) are formed by dividing all possible principal diagnoses (from ICD-9-CM) into 25 mutually exclusive diagnosis areas. MDC codes, like diagnosis-related group (DRG) codes, are primarily a claims and administrative data element unique to the United States medical care reimbursement system. DRG codes also are ...
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). The NPI has replaced the Unique Physician Identification Number (UPIN) as the required identifier for Medicare services, and is used by other payers ...
The protocol specifies that each IP packet must have a header which contains, among other things, the IP address of the sender. There are a number of free and paid subscription geolocation databases, ranging from country level to state or city—including ZIP/post code level—each with varying claims of accuracy (generally higher at the ...
This map is clickable; click on any region shown to visit the page for those area codes.Area codes 840 and 909 are shown in red. Area codes 909 and 840 are telephone area codes in the North American Numbering Plan for the far-eastern part of Los Angeles County , southwestern San Bernardino County , and a small portion of Riverside County in the ...