Metro Carrier From
United States

The Metro Carrier From United States is denoted by codes: 311 660. The followings IDs are called HNI (Home network identity). This code is created by the combination of two other Mobile Country Code (MCC) and Mobile Network Code (MNC). The first three numbers stand for the MCC and they are used in order to identify the region which the carried comes from (in the following example it’s United States). The last numbers of the HNI code are equal with the MNC and this ID is given for the specific mobile network operator.

Besides Metro United States has assigned country code + 1. This number + 1 is equal with international calling code and it’s simply the telephone dialing prefixes used for calling Metro numbers.
Metro uses 1 GSM bands, 2 UMTS bands, 5 and 0 CDMA bands.. You can read the specific frequency bands in the table below. All bands of the Metro are display in MHz units.
Another important information in Metro United States architectures is the standard of used protocols. It also uses 7 protocols such as GSM, UMTS, LTE, CDMA. The ISO standard code of Metro is US. You can see more info about this mobile network operator at https://www.metropcs.com/. How to check Metro coverage? How to check if your phone will work in United States?