Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Sulphur, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-618 A OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 0 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 1 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 2 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 3 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 4 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 5 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 6 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 7 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-618 8 OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-622 A SLPHOKXADS0  1980 CHICKASAW TEL. CO. 536      
580-930 A OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-930 0 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.