[cisco-voip] Intraarea and Interarea NANP Calling

[Beck, Christopher]

We have found www.localcallingguide.com<http://www.localcallingguide.com> to be a great resource for figuring out correct dialing formats for a given area.

Chris

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Mike King
Sent: Monday, February 03, 2014 10:44 AM
To: Anthony Kouloglou
Cc: cisco-voip at puck-nether.net
Subject: Re: [cisco-voip] Intraarea and Interarea NANP Calling

Generally, 1-NPA-NXX-XXXX is the accepted Long distance format, so in almost all cases, this is universal inside the United States.  I was vague because there is always the unknown element and you might have something different.  Unlikely, but possible.

On Mon, Feb 3, 2014 at 11:03 AM, Anthony Kouloglou <akoul at dataways.gr<mailto:akoul at dataways.gr>> wrote:
Hi Mike,
thanks for the update.
For 1, i just wanted to know if for dialing Houston from Houston (AREA Code 713) i needed to added it or not? I guess i have to ask my LEC or CLEC as you said. I got that :-D
For 2. To call from Houston to NY, i have to dial 1-212-1234567 but also to call from Houston to Jamaica (Area code 876) i have to dial 1-876-1234567
even 2 is questionable? I have to ask my LEC again?

BR
Anthony



On 03-Feb-14 17:41, Mike King wrote:
Anthony,

I'm not sure what your question actually was, but I'll attempt to answer.

1, Depends on your LEC (Local Exchange Carrier) or your CLEC (Competitive Local Exchange Carrier)
2. Depends on your LEC (Local Exchange Carrier) or your CLEC (Competitive Local Exchange Carrier)  (But almost always require the 1 to leave your Area.

Further detail on item 1, i've dealt with some rural areas (none recently so I don't know if they've updated their CO) that only required the last 4.   I know for a fact that large area's of New Hampshire, US only require 7 digit.  However Massachusetts, US requires 10 digits throughout the entire state.  It depends if the LEC did a Area Code overlay or not.

You want a real trip, lookup https://en.wikipedia.org/wiki/Telephone_exchange_names


On Mon, Feb 3, 2014 at 10:01 AM, Anthony Kouloglou <akoul at dataways.gr<mailto:akoul at dataways.gr>> wrote:
Hi all,
i have 2 questions that might seem very trivial (if not ridiculous) for most of you.
1. When calling from an area XXX belonging to NANP to the same area:
        a) we may not use the area prefix and we can send only the 7 digit number
        b) we can add the area prefix and dial 10 digits
2. when calling to another area YYY (always belonging to NANP) we always have to dial  1+10 digit number total 11 digits. It does not matter if the other area in a neighboring state or a ... Caribbean country belonging to NANP.

BR
Anthony


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