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AT&T: AT&T Mobility: Not operational: GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900: Former AT&T Wireless Services, [82] then Cingular Wireless (known as "Cingular Blue") [108] [14] 310: 390: Cellular One of East Texas: TX-11 Acquisition, LLC: Operational: GSM 850 / LTE 700 / CDMA: Former Yorkville Telephone Cooperative [82] [85] 310: 400: IT&E ...
Area code 225. Area code 225 is a telephone area code in the North American Numbering Plan (NANP) for the southern part of the U.S. state of Louisiana, which includes the entire nine-parish Baton Rouge metropolitan area. The area code was created in August 1998 in an area code split from area code 504. [1]
Mobile Subscriber ISDN Number Vocabulary for 3GPP Specifications (new) [2] ITU-T Rec. Q.1741-4 (10/2005) [3] Dictionary for OMA Specifications [4] CSPS ITU GSMA: Mobile Station International ISDN Number(s) MSISDN Format and Details [5] ITU-T Rec. Q.1741-4 (10/2005) [3] Mobile Terms & Acronyms [6] ITU: Mobile International ISDN Number
The state of Louisiana is served by the following area codes: 225, which serves the Baton Rouge area and parts of south central Louisiana; 318, which serves northern Louisiana; 337, which serves southwestern Louisiana; 504, which serves the New Orleans area; 985, which serves the sections of southeast Louisiana which are not within the 504 area ...
This is mainly important for international mobile roaming. Outside North America, the IMSI is converted to the Mobile Global Title (MGT) format, standard E.214, which is similar to an E.164 number. E.214 provides a method to convert the IMSI into a number that can be used for routing to international SS7 switches.
Louisiana (Baton Rouge area and east-central Louisiana) August 17, 1998: created by split of 504; mnemonic: CAJun; 226: Ontario (London, Windsor, Kitchener-Waterloo, Cambridge, and most of southwestern Ontario) October 21, 2006: overlaid on 519; 2016: overlaid by 548; 2023: overlaid by 382; mnemonic: CANada; 227
The first direct-dialed long-distance telephone calls were possible in the New Jersey communities of Englewood and Teaneck.Customers of the ENglewood 3, ENglewood 4 and TEaneck 7 exchanges, who could already dial telephone numbers in the New York City area, could place calls to eleven major cities across the United States by dialing the three-digit area code and the seven-digit directory number.
AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States .