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REST API: Available Phone Numbers

The subresources of the AvailablePhoneNumbers resource let you search for local, toll-free and mobile phone numbers that are available for you to purchase. You can search for phone numbers that match a pattern, are in a certain country, are in certain area code (NPA) or exchange (NXX) or are in a specific geography.

Once you've found an available number you want to purchase, make an HTTP POST request to the IncomingPhoneNumbers list resource passing the number as the 'PhoneNumber' parameter.

We work hard to keep a wide variety of numbers in stock at all times. See our pricing pages for country availability.

AvailablePhoneNumber Local Instance Resource

Resource URI

An AvailablePhoneNumber Local instance resource has no URI. You cannot make requests directly to AvailablePhoneNumber instance resources. Instead, make a request to the local list subresource and then choose a number from the list.

Resource Properties

The following properties are available for phone numbers from the US and Canada:

Property Description
FriendlyName A nicely-formatted version of the phone number.
PhoneNumber The phone number, in E.164 (i.e. "+1") format.
Lata The LATA of this phone number.
RateCenter The rate center of this phone number.
Latitude The latitude coordinate of this phone number.
Longitude The longitude coordinate of this phone number.
Region The two-letter state or province abbreviation of this phone number.
PostalCode The postal (zip) code of this phone number.
IsoCountry The ISO country code of this phone number.
Capabilities This is a set of boolean properties that indicate whether a phone number can receive calls or messages. Possible capabilities are Voice, SMS, and MMS with each having a value of either true or false.

The following properties are available for phone numbers outside the US and Canada:

Property Description
FriendlyName A nicely-formatted version of the phone number.
PhoneNumber The phone number, in E.164 (i.e. "+44") format.
IsoCountry The ISO country code of this phone number.
Capabilities This is a set of boolean properties that indicate whether a phone number can receive calls or messages. Possible capabilities are Voice, SMS, and MMS with each having a value of either true or false.

AvailablePhoneNumber Toll-Free Instance Resource

You can purchase toll-free numbers from the US, Canada, and the UK.

Resource URI

An AvailablePhoneNumber toll-free instance resource has no URI. You cannot make requests directly to AvailablePhoneNumber instance resources. Instead, make a request to the toll-free list subresource and then choose a number from the list.

Resource Properties

Property Description
FriendlyName A nicely-formatted version of the phone number.
PhoneNumber The phone number, in E.164 (i.e. "+1") format.
IsoCountry The ISO country code of this phone number.
Capabilities This is a set of boolean properties that indicate whether a phone number can receive calls or messages. Possible capabilities are Voice, SMS, and MMS with each having a value of either true or false.

AvailablePhoneNumber Mobile Instance Resource

Resource URI

An AvailablePhoneNumber mobile instance resource has no URI. You cannot make requests directly to AvailablePhoneNumber instance resources. Instead, make a request to the mobile list subresource and then choose a number from the list.

Resource Properties

Property Description
FriendlyName A nicely-formatted version of the phone number.
PhoneNumber The phone number, in E.164 (i.e. "+1") format.
IsoCountry The ISO country code of this phone number.
Capabilities This is a set of boolean properties that indicate whether a phone number can receive calls or messages. Possible capabilities are Voice, SMS, and MMS with each having a value of either true or false.

AvailablePhoneNumbers Local List Subresource

Resource URI

/2010-04-01/Accounts/{AccountSid}/AvailablePhoneNumbers/{IsoCountryCode}/Local

{IsoCountryCode} is a country code in ISO 3166-1 alpha-2 format. For example, the IsoCountryCode for Canada is CA. See Supported Countries for a full list of countries and IsoCountryCodes supported by Twilio.

HTTP GET

Returns a list of local AvailablePhoneNumber resource representations that match the specified filters, each representing a phone number that is currently available for provisioning within your account.

Basic List Filters

The following basic GET query string parameters allow you to filter the list of numbers returned by Twilio. Note, parameters are case-sensitive.

Parameter Description
AreaCode Find phone numbers in the specified area code. (US and Canada only)
Contains A pattern to match phone numbers on. Valid characters are '*' and [0-9a-zA-Z]. The '*' character will match any single digit. See Example 2 and Example 3 below.
SmsEnabled This indicates whether the phone numbers can receive text messages. Possible values are true or false.
MmsEnabled This indicates whether the phone numbers can receive MMS messages. Possible values are true or false.
VoiceEnabled This indicates whether the phone numbers can receive calls. Possible values are true or false.

Example 1

Find available local phone numbers in the United States in the 510 area code.

Example 2

Find local phone numbers in the United States starting with 510555.

Example 3

Find local phone numbers that match the pattern 'STORM'.

Example 4

Find local phone numbers in Arkansas.

Example 5

Find a phone number in the London prefix (+4420) which is SMS-enabled.

Example 6

Find a phone number in the UK which is Voice- and SMS-enabled.

Advanced List Filters

The following advanced GET query string parameters allow you to limit the list returned in a few additional ways. These features are limited to US and Canadian phone numbers.

Parameter Description
NearNumber Given a phone number, find a geographically close number within Distance miles. Distance defaults to 25 miles.
NearLatLong Given a latitude/longitude pair lat,long find geographically close numbers within Distance miles.
Distance Specifies the search radius for a Near- query in miles. If not specified this defaults to 25 miles. Maximum searchable distance is 500 miles.
InPostalCode Limit results to a particular postal code. Given a phone number, search within the same postal code as that number.
InRegion Limit results to a particular region (i.e. State/Province). Given a phone number, search within the same Region as that number.
InRateCenter Limit results to a specific rate center, or given a phone number search within the same rate center as that number. Requires InLata to be set as well.
InLata Limit results to a specific Local access and transport area (LATA). Given a phone number, search within the same LATA as that number.

Example

Find local phone numbers within 50 miles of San Francisco, CA (37.840699,-122.461853) that contain the digits '555'.

HTTP POST

Not Supported.

HTTP PUT

Not Supported.

HTTP DELETE

Not Supported.

AvailablePhoneNumbers Toll-Free List Subresource

Resource URI

/2010-04-01/Accounts/{AccountSid}/AvailablePhoneNumbers/{IsoCountryCode}/TollFree

Note that {IsoCountryCode} is a country code in ISO 3166-1 alpha-2 format ('US' for United States, 'CA' for Canada, 'GB' for United Kingdom).

HTTP GET

Returns a list of toll-free AvailablePhoneNumber elements that match the specified filters, each representing a phone number that is currently available for provisioning within your account. To provision an available phone number, POST the number to the IncomingPhoneNumbers resource.

List Filters

The following GET query string parameters allow you to limit the list returned. Note, parameters are case-sensitive:

Parameter Description
AreaCode Find phone numbers in the specified area code.
Contains A pattern to match phone numbers on. Valid characters are '*' and [0-9a-zA-Z]. The '*' character will match any single digit. See Example 2 below.

Example 1

Find any toll-free phone number.

Example 2

Let's find a phone number containing a specific string. Contains=866 will match toll-free phone numbers that contain 866, like 866-555-3455 or 888-866-0555. Contains=866***EPIC matches numbers starting with 866 followed by any three digits and then the numbers 3742 (EPIC). To find a toll-free phone number that matches the pattern 'STORM', we make the following request:

Example 3

Find toll-free phone numbers in the 800 area code that contain the pattern 'JENNY'.

HTTP POST

Not Supported.

HTTP PUT

Not Supported.

HTTP DELETE

Not Supported.

AvailablePhoneNumbers Mobile List Subresource

Resource URI

/2010-04-01/Accounts/{AccountSid}/AvailablePhoneNumbers/{IsoCountryCode}/Mobile

{IsoCountryCode} is a country code in ISO 3166-1 alpha-2 format. For example, the IsoCountryCode for Canada is CA. See Supported Countries for a full list of countries and IsoCountryCodes supported by Twilio.

HTTP GET

Returns a list of mobile AvailablePhoneNumber resource representations that match the specified filters, each representing a phone number that is currently available for provisioning within your account.

List Filters

The following GET query string parameters allow you to filter the list of numbers returned by Twilio. Note, parameters are case-sensitive.

Parameter Description
Contains A pattern to match phone numbers on. Valid characters are '*' and [0-9a-zA-Z]. The '*' character will match any single digit. See Example 2 above.
SmsEnabled This indicates whether the phone numbers can receive text messages. Possible values are true or false.
MmsEnabled This indicates whether the phone numbers can receive MMS messages. Possible values are true or false.
VoiceEnabled This indicates whether the phone numbers can receive calls. Possible values are true or false.

Example 1

Find available mobile phone numbers in the United Kingdom.

HTTP POST

Not Supported.

HTTP PUT

Not Supported.

HTTP DELETE

Not Supported.

Supported Countries and Types

Resource URI

/2010-04-01/Accounts/{AccountSid}/AvailablePhoneNumbers

HTTP GET

Returns a list of all AvailablePhoneNumber subresources for your account by ISO Country. For full information about our phone number support, see our Phone Number CSV.

Twilio currently supports phone numbers in the following countries*:

Country IsoCountryCode
AU Australia
AT Austria
BH Bahrain
BE Belgium
BR Brazil
BG Bulgaria
CA Canada
CY Cyprus
CZ Czech Republic
DK Denmark
DO Dominican Republic
SV El Salvador
EE Estonia
FI Finland
FR France
GR Greece
HK Hong Kong
IE Ireland
IL Israel
IT Italy
JP Japan
LV Latvia
LT Lithuania
LU Luxembourg
MT Malta
MX Mexico
NL The Netherlands
NO Norway
NZ New Zealand
PE Peru
PL Poland
PT Portugal
PR Puerto Rico
RO Romania
SK Slovakia
ZA South Africa
ES Spain
SE Sweden
CH Switzerland
GB United Kingdom
US United States

* Some countries and numbers are currently in beta. Please visit our FAQ to view countries and sign up for beta access.