README.md in geolookup-0.5.10 vs README.md in geolookup-0.6.0

@@ -75,10 +75,14 @@
 
 # US state codes and names
 Geolookup::USA::State.codes_and_names
 # => {1: "Alabama", 2: "Alaska", ...}
 
+# US state abbreviations and names
+Geolookup::USA::State.abbreviations_and_names
+# => {AL: "Alabama", AK: "Alaska", ...}
+
 # US State Codes
 Geolookup::USA::State.codes
 # => [1, 2, 4, ...]
 
 # US County Examples:
@@ -104,9 +108,15 @@
 Geolookup::Country.code_to_name("AS")
 # => "American Samoa"
 
 Geolookup::Country.lat_long("American Samoa")
 # => [ -14333300, -170000000 ]
+
+Geolookup::USA::AreaCodes.find('202')
+# => {country: 'US', description: '', service: 'y', state: 'DC', type: 'general purpose code'}
+
+Geolookup::USA::Zipcodes.lat_long('90012')
+# => {:lat_int=>39715698, :long_int=>-104814319}
 ```
 
 For additional functions and documentation please look in geolookup/fips.rb and geolookup/country.rb.
 
 ## Contributing