Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Summerfield, OK [Prefix detail]

LATA: 538 TULSA OK

LIR:

V: 07880 H: 03888

ILEC: 2014 OKLAHOMA WESTERN TEL. CO.

NPA 918:

677 737

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Local calling TO 0 exchanges: [Reverse direction]

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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