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:

PropertyDescription
FriendlyNameA nicely-formatted version of the phone number.
PhoneNumberThe phone number, in E.164 (i.e. "+1") format.
LataThe LATA of this phone number.
RateCenterThe rate center of this phone number.
LatitudeThe latitude coordinate of this phone number.
LongitudeThe longitude coordinate of this phone number.
RegionThe two-letter state or province abbreviation of this phone number.
PostalCodeThe postal (zip) code of this phone number.
IsoCountryThe ISO country code of this phone number.
CapabilitiesThis 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.
AddressRequirementsThis indicates whether the phone number requires you or your customer to have an Address registered with Twilio. Possible values are none, any, local, or foreign.

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

PropertyDescription
FriendlyNameA nicely-formatted version of the phone number.
PhoneNumberThe phone number, in E.164 (i.e. "+44") format.
IsoCountryThe ISO country code of this phone number.
CapabilitiesThis 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.
AddressRequirementsThis indicates whether the phone number requires you or your customer to have an Address registered with Twilio. Possible values are none, any, local, or foreign.

Address Requirement Values

The following are the possible values for the address_required property.

StatusDescription
noneAn Address is not required for this phone number.
anyYour account must have an Address, but it can be anywhere in the world.
localYour account must have an Address within the phone number's country.
foreignYour account must have an Address outside the phone number's country.

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

PropertyDescription
FriendlyNameA nicely-formatted version of the phone number.
PhoneNumberThe phone number, in E.164 (i.e. "+1") format.
IsoCountryThe ISO country code of this phone number.
CapabilitiesThis 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.
AddressRequirementsThis indicates whether the phone number requires you or your customer to have an Address registered with Twilio. Possible values are none, any, local, or foreign.

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

PropertyDescription
FriendlyNameA nicely-formatted version of the phone number.
PhoneNumberThe phone number, in E.164 (i.e. "+1") format.
IsoCountryThe ISO country code of this phone number.
CapabilitiesThis 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.
AddressRequirementsThis indicates whether the phone number requires you or your customer to have an Address registered with Twilio. Possible values are none, any, local, or foreign.

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.

ParameterDescription
AreaCodeFind phone numbers in the specified area code. (US and Canada only)
ContainsA 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.
SmsEnabledThis indicates whether the phone numbers can receive text messages. Possible values are true or false.
MmsEnabledThis indicates whether the phone numbers can receive MMS messages. Possible values are true or false.
VoiceEnabledThis indicates whether the phone numbers can receive calls. Possible values are true or false.
ExcludeAllAddressRequiredIndicates whether the response includes phone numbers which require any Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with an Address required.
ExcludeLocalAddressRequiredIndicates whether the response includes phone numbers which require a local Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a local Address required.
ExcludeForeignAddressRequiredIndicates whether the response includes phone numbers which require a foreign Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a foreign Address required.

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.

Example 7

Find all available local phone numbers that have no address requirements.

Example 8

Find available local phone numbers that require anything but a local address.

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.

ParameterDescription
NearNumberGiven a phone number, find a geographically close number within Distance miles. Distance defaults to 25 miles.
NearLatLongGiven a latitude/longitude pair lat,long find geographically close numbers within Distance miles.
DistanceSpecifies the search radius for a Near- query in miles. If not specified this defaults to 25 miles. Maximum searchable distance is 500 miles.
InPostalCodeLimit results to a particular postal code. Given a phone number, search within the same postal code as that number.
InRegionLimit results to a particular region (i.e. State/Province). Given a phone number, search within the same Region as that number.
InRateCenterLimit 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.
InLataLimit 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:

ParameterDescription
AreaCodeFind phone numbers in the specified area code.
ContainsA 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.
SmsEnabledThis indicates whether the phone numbers can receive text messages. Possible values are true or false.
MmsEnabledThis indicates whether the phone numbers can receive MMS messages. Possible values are true or false.
VoiceEnabledThis indicates whether the phone numbers can receive calls. Possible values are true or false.
ExcludeAllAddressRequiredIndicates whether the response includes phone numbers which require any Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with an Address required.
ExcludeLocalAddressRequiredIndicates whether the response includes phone numbers which require a local Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a local Address required.
ExcludeForeignAddressRequiredIndicates whether the response includes phone numbers which require a foreign Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a foreign Address required.

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.

ParameterDescription
ContainsA 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.
SmsEnabledThis indicates whether the phone numbers can receive text messages. Possible values are true or false.
MmsEnabledThis indicates whether the phone numbers can receive MMS messages. Possible values are true or false.
VoiceEnabledThis indicates whether the phone numbers can receive calls. Possible values are true or false.
ExcludeAllAddressRequiredIndicates whether the response includes phone numbers which require any Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with an Address required.
ExcludeLocalAddressRequiredIndicates whether the response includes phone numbers which require a local Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a local Address required.
ExcludeForeignAddressRequiredIndicates whether the response includes phone numbers which require a foreign Address. Possible values are true or false. If not specified, the default is false, and results could include phone numbers with a foreign Address required.

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*:

CountryIsoCountryCode
AUAustralia
ATAustria
BHBahrain
BEBelgium
BRBrazil
BGBulgaria
CACanada
CYCyprus
CZCzech Republic
DEGermany
DKDenmark
DODominican Republic
SVEl Salvador
EEEstonia
FIFinland
FRFrance
GRGreece
HKHong Kong
IEIreland
ILIsrael
ITItaly
JPJapan
LVLatvia
LTLithuania
LULuxembourg
MTMalta
MXMexico
NLThe Netherlands
NONorway
NZNew Zealand
PEPeru
PLPoland
PTPortugal
PRPuerto Rico
RORomania
SKSlovakia
ZASouth Africa
ESSpain
SESweden
CHSwitzerland
GBUnited Kingdom
USUnited States

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

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