<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">I actually just added "<a href="https://www.telcodata.us/data-downloads?file=npa-exchange-state-ratecenter">npa-exchange-state-ratecenter</a>" on the web (<font color="#000000" face="Menlo"><span style="font-size: 11px;">npa-exchange-state-ratecenter-ocn-company-city-county-zip-lat-lon-byratecenter.csv on FTP) for this one, if that does what you need it's not "</span><span style="caret-color: rgb(0, 0, 0); font-size: 11px;">authoritative</span><span style="font-size: 11px;">" but nothing really is. It's derived from the ILEC end office lat/lon in the rate center. It's not perfect, but if you launched a large enough nuke at the coordinates I provide, I'm confident it'd hit whatever you're looking at.</span></font><div><font color="#000000" face="Menlo"><span style="caret-color: rgb(0, 0, 0); font-size: 11px;"><br></span></font></div><div><font color="#000000" face="Menlo"><span style="caret-color: rgb(0, 0, 0); font-size: 11px;"><br></span></font><div><img src="cid:61B5352E-5A2F-4009-BF13-F579E0540308" alt="Screenshot 2023-03-20 at 1.25.55 PM.png" width="640"></div><div><br><div>
<meta charset="UTF-8"><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Paul Timmins<br>Telecommunications Consultant<br>Timmins Technologies, LLC / telcodata.us<br>248-379-7826</div></div>
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<div><br><blockquote type="cite"><div>On Mar 20, 2023, at 12:38 PM, Karl Douthit via VoiceOps <voiceops@voiceops.org> wrote:</div><br class="Apple-interchange-newline"><div><div dir="ltr">Haven't looked in awhile, but <a href="http://telcodata.us/">telcodata.us</a> has a bit of that information.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Mar 20, 2023 at 9:36 AM Calvin E. via VoiceOps <<a href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Is there an authoritative source for rate center latitude and longitude?<div><br></div><div>Is there a free source for this data?</div><div><br></div><div>I'm aware that BIRRDS/LERG has the Switch CLLI coordinates, but I don't know if the rate center virtual coordinates are also there. NANPA said, "NANPA doesn’t have this information. We suggest you check with a vendor who creates rate center maps, but we can’t recommend one."</div><div><br></div><div>Is rate center data centralized, or invented by carriers and 3rd parties?</div></div>
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