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May 2, 2024 · NPA NXX Databases compiled from definitive industry and regulatory sources. Updated monthly providing current telephone area code prefix and exchange numbering assignments and associated carrier data.
May 2, 2024 · Central Office Code, the first three digits following the Area Code in a 10 digit NANP number, commonly called the telephone exchange or prefix. Block identifier. Implies, represents, or identifies either the entire group of 10,000 numbers or a specific group of 1,000 numbers within the NPA NXX.
May 1, 2024 · NPA:: Area Code (NPA = Numbering Plan Area) 1: Included: Included: NXX:: Three digit local number prefix (X=2-9, X=0-9). Generally 201 thru 999. 1: Included: Included: State:: Two letter USPS state abbreviation 1: Included: Included: ZIP Code:: US ZIP Code or Canadian Postal Code.
1 day ago · Use the appropriate format: The commonly accepted formatting of phone numbers in the United States and Canada is (NPA) NXX-XXXX, NPA-NXX-XXXX, or 1-NPA-NXX-XXXX. The ‘NPA’ is the area code, ‘NXX’ is the central office code, and ‘XXXX’ is the subscriber number personal to each phone.
- Corey Sanford
May 2, 2024 · NALENND ®. North American Local Exchange NPA NXX Database™ - Wire Center Edition. The Wire Center Edition gives you a total picture of the North American Public Switched Telephone Network (PSTN). You can use this data to identify all active NPA NXX combinations, what areas they serve, where the service comes from, and who provides it.
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- NALENND®
May 2, 2024 · Current Release: May 2, 2024. Distribution Frequency: monthly or quarterly (issue date: January, April, July, October) Distribution Format: Internet download. United States NPA NXX to ZIP Code Editions. Comprehensive United States NPA NXX area code and prefix to 5-digit ZIP code cross reference database.
May 2, 2024 · NPA - identifies the first 3 digits as the Numbering Plan Area (area code). NXX - identifies the next 3 digits in a phone number commonly known as the Exchange. XXXX - identifies the last 4 digits in a phone number.
