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Does Callcentric restrict calling to any numbers or locations?
Certain numbers will not be available from Callcentric and will result in either an error message or failed call. These numbers are blocked mainly for cost or infrastructure reasons. Below is a list of numbers which will not be available from Callcentric.

There are no changes which can be made to allow for calling to the numbers below.

NOTE: If you are experiencing issues with another number not in the ranges listed below please open a trouble ticket relating to this number so that we may investigate and resolve the problem.

X11 Informational Services, EXCLUDING 911

211, 311, 511, 611, 711, 811

911 WILL work if you have added a paid service and have setup 911 for your account.

555 Special services: US/Canada

North America numbers dialed in the format 1-NPA-555-XXXX, such as 1-212-555-1212, will not work.

Special Services: US/Canada

The numbers below are all special services numbers and will not be available from Callcentric.

1-456-XXX-XXXX
1-500-XXX-XXXX
1-533-XXX-XXXX
1-600-XXX-XXXX
1-700-XXX-XXXX
1-710-XXX-XXXX
1-900-XXX-XXXX

Emergency Services: International

International emergency numbers are blocked because currently there is no support for emergency services outside of the US and Canada. We do not have any plans for offering international emergency services at this time.

100, 101, 102, 112, 999

International Toll free

Toll free numbers beginning with the following prefixes will not be accessible.

00-800-XN
011-800-XN

If you are dialing a North American toll free number please use 1-8XX-XXX-XXXX.

If you still have more questions regarding blocked numbers please contact us for further assistance..