The Phone Book: An Introduction
Before the internet age, there was an old school way to find more information about a person or business. It was called the phone book.
Every year subscribers would get a local, printed book from their phone company containing white pages and yellow pages. The white pages contained alphabetically organized personal listings that included an individual's phone number and address. The yellow pages was the business directory and included all of the businesses in a certain area.
- What Is the Phone Book?
- How Are Phone Numbers Created?
- What does the NPA-NXX-xxxx of a Phone Number Refer to?
- History of the Phone Book
- How Did People Use the Phone Book?
- Are Phone Books Online Now?
- How Can I Use an Online Phone Book?
- Is my Information in the Phone Book?
- Can I Use CallerSmart's Phone Book to Find a Number?
- How Can I Use CallerSmart?
- How Can I Remove my Information From CallerSmart's Phone Book?
- How Can I Get CallerSmart?
The phone book, or simply "The Book," was a book that was printed yearly and distributed by phone companies to their customers. The phone book covered a specific geographical area. Some, like the New York City phone book, contained millions of names and phone numbers.
Before the existence of the ten-digit phone number, to reach another phone subscriber you needed three letters followed by four digits. The letters signified the central office the phone line came from, and the numbers identified the specific line a caller wished to connect with. In the past, operators were used to connect callers to their endpoint.
A new number plan came into existence in the 1940s as the demand for phone numbers increased. AT&T and Bell System, the two main phone companies, joined together with smaller providers to make a unified plan for the creation of new phone numbers. Known as the North American Numbering Plan (NANP), the Federal Communications Commission (FCC) would go on to control it and still maintains NANP to this day.
Today's phone numbers are made out of three parts: the area code (NPA), the prefix (NXX), and the line number.
The first three numbers, also known as the NPA (Numbering Plan Area), were developed by the North American Numbering Plan (NANP). These three-digits represent a specific geological area such as a state or county. NANP has made it possible to make telephone calls a simple task regardless if the call is local or long distance. With the demand for phone numbers expanding on a yearly basis, the addition of new area codes continues with some areas having multiple area codes due to the population. As of today over 25 territories utilize NANP including the U.S. and its territories, Canada, and many Caribbean nations.
Below is a table with the area codes from each of the 50 U.S. states.
|Alabama||205, 251, 256, 334, 938|
|Arizona||480, 520, 602, 623, 928|
|Arkansas||479, 501, 870|
|California||209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818|
|Colorado||303, 719, 720, 970|
|Connecticut||203, 475, 860, 959|
|Florida||239, 305, 321, 352, 386, 407, 561, 689, 727, 754, 772, 786, 813, 850, 863, 904, 941, 954|
|Georgia||201, 202, 203, 205, 206, 209, 210, 212, 213, 214, 215, 216, 217, 219, 225, 229, 239, 248, 251, 252, 253, 256, 262, 404|
|Illinois||217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872|
|Indiana||219, 260, 317, 574, 765, 812|
|Iowa||319, 515, 563, 641, 712|
|Kansas||316, 620, 785, 913|
|Kentucky||270, 345, 502, 606, 859|
|Louisiana||225, 318, 337, 504, 985|
|Maryland||240, 301, 410, 443, 667|
|Massachusetts||339, 351, 413, 508, 617, 774, 781, 857, 978|
|Michigan||231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989|
|Minnesota||218, 320, 507, 612, 651, 763, 952|
|Mississippi||228, 601, 662, 664, 769|
|Missouri||314, 417, 573, 636, 660, 816|
|Nebraska||308, 402, 531|
|Nevada||702, 725, 775|
|New Jersey||201, 551, 609, 732, 848, 856, 862, 908, 973|
|New Mexico||505, 575|
|New York||212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929|
|North Carolina||252, 336, 704, 828, 910, 919, 980, 984|
|Ohio||216, 234, 283, 330, 380, 419, 440, 513, 567, 614, 740, 937|
|Oklahoma||405, 539, 580, 918|
|Oregon||458, 503, 541, 971|
|Pennsylvania||215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878|
|South Carolina||803, 843, 854, 864|
|Tennessee||423, 615, 629, 731, 865, 901, 931|
|Texas||210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 682, 713, 737, 806, 817, 830, 832, 903, 915, 936, 940, 956, 972|
|Utah||385, 435, 801|
|Virginia||276, 434, 540, 571, 703, 757, 804|
|Washington||206, 253, 360, 425, 509, 564|
|West Virginia||304, 681|
|Wisconsin||262, 414, 534, 608, 715, 920|
The prefix, or NXX, represents the phone carrier’s central office and the specific switch that the phone line is connected to.
The last four numbers represent the specific phone line and is assigned to the switch level in use. Having the line number allows you to add or change phones. The changing process is possible due to the number not being attached to the phone itself but the actual phone line.
Through NANP, numbers are assigned through an official system called the number pooling system of allocating numbers. Through this system, a block of 1,000 numbers is distributed and assigned to carriers. When a user decides to disconnect their phone number, they go through the process of phone number deactivation.
Once a phone number has been deactivated, it has the potential to get reactivated and re-assigned to someone else through phone number recycling. Standard time for reassignment and reactivation usually takes around 90 days. Many times phone number recycling can lead to issues, such as the previous owner's account information being compromised, or the new owner being called mistakenly by companies and people looking for the previous owner.
The NPA part of the phone number refers to the Numbering Plan Area, also known as the area code. As mentioned before, area codes originated with the North American Numbering Plan (NANP). This plan divides each territory into a zone based on geographical location. The proper NPA has a range of [2-9] for the first digit while the second and third digit has a range of [0-9].
There are six toll free codes: 800, 888, 877, 866, 855, and 844. The toll-free numbers are only reserved for businesses and non-residential lines and allow callers to reach the recipient without being charged for the call.
The NXX, also known as the prefix number, refers to the central office or the exchange number. The proper range for the central office number is [2-9] for the first digit, and [0-9] for the remaining two digits. The number 1 cannot be used in both of the last two digits of NXX due to confusion with N11 codes (Specific Number Calling). N11 codes allow access to specific phone services provided by the North American Numbering Plan. The codes include:
- 211: Provides access to community services and information (Non-Emergency)
- 311: Provides access to city government numbers (Non-Emergency)
- 411: Directory assistance (Non-Emergency)
- 511: Provides traffic or police information (Non-Emergency)
- 611: Provides access to the telephone provider's customer service and repair (Non-Emergency)
- 711: TDD and Relay Services for the Deaf and Hard of Hearing (Non-Emergency)
- 811: Provides access to public utility location (Non-Emergency)
- 911: Emergency services (police, fire, ambulance/rescue services)
The XXXX refers to the subscriber number, or line number. The proper range for the subscriber number is [0-9] for each digit. The aforementioned central number is considered to be part of the subscriber number as it allows customers to forward their complete number to their mobile phone line when necessary.
The first phone book was published on February 21, 1878 in New Haven, Connecticut. It was published by the District Telephone Company of New Haven and it included no numbers. You might be asking yourself how it could have had no numbers, but at this moment in time there were so few phone owners that no one had a number.
Phone numbers in the U.S. weren't introduced until a year later in 1879, and in a completely different city. In Lowell, Massachusetts there was an outbreak of measles that caused a local physician, Dr. Moses Greeley, to worry about the phone system coming to a halt. Up to this point in time all phone calls were transferred by phone operators. Greeley worried that if the operators fell ill there would be nobody to transfer the phone calls between the city's 200 phone subscribers. Telephone numbers were introduced so that if there was ever an emergency, calls could still be made.
In 1883, in Wyoming the idea of the yellow pages in the phone book was introduced when a printer ran out of white paper and started using yellow paper. A year later the first official yellow pages business directory was published.
People used the phone book to look up phone and address information of people who they had met, or friends and family members whose numbers they may have misplaced. All personal listings were organized alphabetically by last name.
People could also look up the phone numbers of local businesses in the yellow pages. The yellow pages were organized in alphabetical sections based on the type of service. If you needed a plumber you could search for one in the plumbing section. Businesses could pay to have advertisements appear in the yellow pages (a precursor to Google Ads, and an expensive one!).
It's much easier to search for phone numbers online than by flipping through a five pound book. CallerSmart offers an online, community phone book that compiles a number of phone directories for all 50 U.S. states, our directory includes both white pages and yellow pages information. Our community phone book is different from a traditional one because it can only be used for reverse phone lookups, meaning that you can only search it by phone number and not name.
It's easy to use online phone books. You can use CallerSmart's by downloading our free reverse phone lookup app for iPhone and iPad or by visiting our website. All you need to do once you have our app or are on our website is copy and paste, or type, the phone number you'd like to search into the search bar. We will display all of the free information that we have on the phone number and offer the option to search paid databases for more information.
Unbeknownst to you, your information could be in the phone book. Landline numbers are published by telephone companies unless the owner of the number requests that the number be unlisted. Cell phone numbers are not published by phone companies. However, if you've ever published your number on social media or filled in a survey that requested your cell number, your cell phone number could have personal information like your name and address attached to it in a telephone directory.
You can only use CallerSmart's community phone book to run a reverse phone lookup. This means you can find more information about a number once you have received a missed call from it, or came about the number in a different way. If you're using online dating, CallerSmart is a great way to make sure your date is who they say they are.
Using CallerSmart's phone book is simple. If you have a number that you'd like to look up you can copy and paste, or type, it into the search bar in either our iPhone app or website to get started. CallerSmart's phone book has the most up-to-date listings available.
Every day, our phone book is being checked and updated thousands of times by our community of users. This is what makes CallerSmart special, we are the first app to allow our users to update our listings!
If you find that your number is listed in our community phone book, but you don't want it to be, you can claim your number via our app or website. Once you've verified that you are the owner, then you can opt for your name and address not to be shown to any other user who searches your phone number.
You can download our free number tracer app for iPhone and iPad, or if you don’t have an iPhone or iPad you can access our reverse look up phone book on our website. Whether you use our app or website you will have the same access to our community phone book!