[mobile-broadband-provider-info] us: declare AT&T MCC MNC

[Lubomir Rintel <lkundrak src gnome org>]

commit 6a393e0faac88d4c52d3084460f48d56b66e9cb6
Author: Boris Shtrasman <41102-borissh users noreply gitlab gnome org>
Date:   Fri Mar 25 18:30:26 2022 +0300

    us: declare AT&T MCC MNC
    
    From https://www.itu.int/dms_pub/itu-t/opb/sp/T-SP-E.212B-2018-PDF-E.pdf
    
    https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info/-/merge_requests/71

 serviceproviders.xml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/serviceproviders.xml b/serviceproviders.xml
index b3f8822..573c93d 100644
--- a/serviceproviders.xml
+++ b/serviceproviders.xml
@@ -13381,6 +13381,20 @@ conceived.
                        <network-id mcc="310" mnc="410"/>
                        <network-id mcc="310" mnc="560"/>
                        <network-id mcc="310" mnc="680"/>
+                       <network-id mcc="310" mnc="016"/>
+                       <network-id mcc="310" mnc="070"/>
+                       <network-id mcc="310" mnc="080"/>
+                       <network-id mcc="310" mnc="090"/>
+                       <network-id mcc="310" mnc="380"/>
+                       <network-id mcc="310" mnc="670"/>
+                       <network-id mcc="310" mnc="950"/>
+                       <network-id mcc="311" mnc="070"/>
+                       <network-id mcc="311" mnc="090"/>
+                       <network-id mcc="311" mnc="180"/>
+                       <network-id mcc="311" mnc="190"/>
+                       <network-id mcc="312" mnc="090"/>
+                       <network-id mcc="310" mnc="670"/>
+                       <network-id mcc="310" mnc="680"/>
                        <voicemail>+17249209990</voicemail>
                        <visual-voicemail>
                                <standard type="proprietary"/>