What is NPA NXX for an address?
NPA-NXX means as follows: “NPA” means numbering plan area, which is the area code for a telephone number. “NXX” refers to the first three digits of a telephone number, which identify the specific telephone company central office that serves that number.
What is NPA NXX lookup?
Central Office Details From NPA NXX This lookup uses the North American NPA NXX Wire Center Edition Database and supplemental data to find the Wire Center, Rate Center, locality, LATA, carrier, and other details associated with any United States or Canadian NPA NXX combination.
What is a NXX number?
NXX, also known as the Central Office Code or Exchange, is a three-digit code that forms the second part of a 10-digit phone number. For example: In the phone number 555-101-1234, the NXX is 101.
Is NPA an area code?
The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code. For quick information about a specific area code, use the area code search.
Can phone numbers start with 0?
In the USA a phone number never starts with zero, because the single digit zero calls the operator as soon as it is pressed (or dialed). In Europe, a long distance call within your own country always begins with zero, followed by the area code.
What is my rate center?
A rate center is a geographical area used by a Local Exchange Carrier (LEC) to organize the boundaries for local calling, billing and assigning of phone numbers. A call within a rate center is typically considered a local call, while a call from one rate center to another is a long-distance call.
How are cell phone numbers assigned?
When a customer signs up for service, mobile phone companies assign a number from a pool of available numbers. The available numbers are drawn from the blocks of numbers assigned through Bellcore/Telcordia and NANPA and consist of numbers not currently in use or which have not been used within the preceding 90 days.
How do phone numbers work?
The number contains the information necessary to identify the intended endpoint for a telephone call. For example, a telephone number in North America consists of a three-digit area code, a three-digit central office code, and four digits for the line number.
What is NPA in phone number?
The NANP divides the territories of its members into numbering plan areas (NPAs) which are encoded numerically with a three-digit telephone number prefix, commonly called the area code. Each telephone is assigned a seven-digit telephone number unique only within its respective numbering plan area.
What is NPA in telephony?
Numbering Plan Area, also called Area Code. An NPA is the 3-digit code that occupies the A, B, and C positions in the 10-digit NANP format that applies throughout the NANP serving area. In the NANP, NPAs are classified as either geographic or non-geographic.