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      • “ NPA ” stands for Number Plan Area, commonly called Area Code. “ NXX ” refers to the three digits of a phone number immediately following the area code, also called the “exchange” or the “Central Switching Office Designation. In the number (555) 222-3333, the NPA is “555” and the NXX is “222”.
      www.area-codes.com/area-code-faq.asp#:~:text=“NPA” stands for Number Plan Area, commonly called,NPA is “555” and the NXX is “222”.
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  2. What do the terms NPA and NXX mean? – Bandwidth Support Center

    support.bandwidth.com/hc/en-us/articles/...

    Nov 13, 2020 · If you order a phone number in NPA 305, it can be in any of those rate centers. What is NXX? 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.

  3. Area Code FAQs

    www.area-codes.com/area-code-faq.asp

    What does NPA/NXX stand for? “NPA” stands for Number Plan Area, commonly called Area Code. “NXX” refers to the three digits of a phone number immediately following the area code, also called the “exchange” or the “Central Switching Office Designation. In the number (555) 222-3333, the NPA is “555” and the NXX is “222”.

    • What Does NPA/NXX Stand for?
      “NPA” stands for Number Plan Area, commonly called Area Code. “NXX” refers to the three digits of a phone number immediately following the area cod...
    • What Does NANP Stand for?
      North American Number Plan. This is the body that manages North American telephone numbers on public switched networks in regions where the interna...
    • What Is “Number Depletion”?
      Number depletion refers to the shrinking number of phone numbers available for distribution. Some of the causes of number depletion are the increas...
    • How Many Numbers Are Available in Each Area Code?
      Each area code has 7,920,000 different usable phone numbers. (Although there are technically 10 million seven-digit phone number combinations avail...
    • Why Are New Area Codes Given Out sometimes?
      Due to “number depletion”, some areas could conceivably run out of phone numbers – at that point, the area code would be “exhausted”. Before an are...
    • What Are “Exchange Names”?
      Exchange names refer to the first digits of a 7-digit phone number. They were introduced in the 1930's and used until around 1970. The first 2 or 3...
  4. North American Telephone Exchange Lookup by NPA NXX

    www.npanxxsource.com/nalennd.php

    NPA NXX City Edition. Wireless Telephone Number Identification. Local Calling Areas. United States NPA NXX to ZIP Codes. Canadian NPA NXX to Postal Codes.

  5. NXX definition (Phone Scoop)

    www.phonescoop.com/glossary/term.php?gid=301

    NXX is most commonly used to refer to three-digit code that forms the second part of a 10-digit North American phone number (digits 4-6). This is also known as the "central office code" or...

  6. Local calling guide: NPA-NXX search

    www.localcallingguide.com/lca_prefix.php

    Oct 31, 2020 · Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information. If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

  7. NANPA : Numbering Resources - 5YY-NXX Assignments

    www.nationalnanpa.com/number_resource_info/5XX...

    Request a 5XX-NXX assignment. Historical Summary: The North American Numbering Plan Administrator (NANPA) initially assigned the 500 NPA code for use with personal communications service, and the INC subsequently designated the 533, 544, 566, 577, 588 and 522 NPA codes for future personal communications service and other non-geographic services. With the designation of these NPA codes, the resource was referred to as the "5YY" resource.

  8. NALENND® Telephone Number Type Identifier Database

    www.quentinsagerconsulting.com/npa-nxx-wireless...

    The NPA, NXX and thousands block identifier are used to identify the first seven digits of a ten digit North American telephone number. This data provides a first step for those applications seeking U.S. FCC TCPA compliancy.

  9. and NPA/NXX Database Lookup · Our NPA NXX Area Code database has over 428,000 data records. · We are a licensed distributor of the U.S. Postal Service data. · IMMEDIATE download upon purchase. · Current and precise data. · Unlimited number of users included in ALL prices. 1 YEAR subscription comes with all products purchased. NEW IONOS

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