NPA-NXX - 423-557
This is the 423-557 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!
The 423-557 subcode mainly covers Johnson City in Washington county. But other numbers maybe included as well.
We have a database of information derived from the public phone records of Tennessee state. Many of the numbers in this subcode are Cellular (Dedicated) registered to T-mobile. We hear they employ a large number of people in the Tennessee office.
Recently there have been an increase in reported calls, we've had over 122979 comments across our systems for the 423-557 subcode.
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312-774-5909 760-733-3747 913-583-8487 832-586-3311 314-717-1211920-905-2155 202-513-7039 559-356-9427 865-430-1949 916-904-8164