Here in NZ, most (All?) cell sites have battery backup. (That's part of our
income!) but the system depends on communication to the main call centres.
If you are calling your next door neighbour (or closer), the call is still
routed through the call centre which is likely to be in a different city!

Therefore, in a major emergency, with fibre optic cables cut & microwave
towers misaligned, both cellphone & trunk landlines are likely to be
affected.

I believe this holds for AMPS,  GSM & CDMA systems.

RP




Uh oh.  The fine print says that Cell phone service is knocked out by

......snip

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