rate_center

RateCenter

A collection of useful data about NANPA Rate Centers.

Data is currently sourced from Simple Maps and Local Calling Guide.

Installation

Install the gem and add to the application's Gemfile by executing:

bundle add rate_centers

If bundler is not being used to manage dependencies, install the gem by executing:

gem install rate_centers

Usage

Working with Rate Centers

# Load rate centers
RateCenter.load(:rate_centers, only: { us: [:ny, :ca] }) # Loads rate centers in New York and California
# RateCenter.load(:rate_centers, only: { us: { ny: [ "NWYRCYZN01" ], ca: [ "LSAN DA 01"]  } }) # Loads only specific rate centers
# RateCenter.load(:rate_centers, only: { [ :us ] }) # Load all rate centers in US
# RateCenter.load(:rate_centers, :all) # Load all rate centers

# RateCenter::RateCenter.all # returns all rate centers loaded

rate_center = RateCenter::RateCenter.find_by!(country: "US", region: "NY", name: "NWYRCYZN01")
rate_center.full_name # "New York City Zone 01"
rate_center.lata # 132
rate_center.ilec_name # "VERIZON NEW YORK, INC."
rate_center.lat # "40.739362"
rate_center.long # "-73.991043"
rate_center.closest_city.name # "Manhattan"
rate_center.closest_city.distance_km # 5.33

Working with Cities

# Load cities
RateCenter.load(:cities, only: { us: [:ny, :ca] }) # Loads cities in New York and California
# RateCenter.load(:cities, only: { us: { ny: [ "New York" ], ca: [ "Los Angeles"]  } }) # Loads only specific cities
# RateCenter.load(:cities, only: { [ :us ] }) # Load all cities in US
# RateCenter.load(:cities, :all) # Load all cities

# RateCenter::City.all # returns all cities loaded

city = RateCenter::City.find_by!(country: "US", region: "NY", name: "New York")
city.lat # "40.6943"
city.log # "-73.9249"
city.nearby_rate_centers.each do |rate_center|
  puts "Rate Center: #{rate_center.name}, Distance: #{rate_center.distance_km} km"
end
# Rate Center: NWYRCYZN01, Distance: 7.5 km
# Rate Center: NWYRCYZN03, Distance: 7.5 km
# Rate Center: NWYRCYZN04, Distance: 7.5 km
# Rate Center: NWYRCYZN05, Distance: 7.5 km
# Rate Center: NWYRCYZN06, Distance: 7.5 km
# Rate Center: NWYRCYZN07, Distance: 7.5 km
# Rate Center: NWYRCYZN08, Distance: 7.5 km
# Rate Center: NWYRCYZN09, Distance: 7.5 km
# Rate Center: NWYRCYZN10, Distance: 7.5 km
# Rate Center: NWYRCYZN11, Distance: 7.5 km
# Rate Center: NWYRCYZN12, Distance: 7.5 km
# Rate Center: NWYRCYZN13, Distance: 7.5 km
# Rate Center: NWYRCYZN14, Distance: 7.5 km
# Rate Center: NWYRCYZN15, Distance: 7.5 km
# Rate Center: NASSAUZN02, Distance: 18.96 km
# Rate Center: NASSAUZN03, Distance: 20.16 km

Updating Data

In order to pull data from the sources, run the following script

bin/update_data

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/somleng/rate_center.

License

The gem is available as open source under the terms of the MIT License.